81673592

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 192

約数和(自身を含む): 220631040

約数和(自身を除く): 138957448

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 31, 44, 47, 49, 52, 56, 62, 77, 88, 91, 94, 98, 104, 124, 143, 154, 182, 188, 196, 217, 248, 286, 308, 329, 341, 364, 376, 392, 403, 434, 517, 539, 572, 611, 616, 637, 658, 682, 728, 806, 868, 1001, 1034, 1078, 1144, 1222, 1274, 1316, 1364, 1457, 1519, 1612, 1736, 2002, 2068, 2156, 2303, 2387, 2444, 2548, 2632, 2728, 2821, 2914, 3038, 3224, 3619, 4004, 4136, 4277, 4312, 4433, 4606, 4774, 4888, 5096, 5642, 5828, 6076, 6721, 7007, 7238, 8008, 8554, 8866, 9212, 9548, 10199, 11284, 11656, 12152, 13442, 14014, 14476, 16027, 16709, 17108, 17732, 18424, 18941, 19096, 19747, 20398, 22568, 25333, 26884, 28028, 28952, 29939, 31031, 32054, 33418, 34216, 35464, 37882, 39494, 40796, 47047, 50666, 53768, 56056, 59878, 62062, 64108, 66836, 71393, 75764, 78988, 81592, 94094, 101332, 112189, 119756, 124124, 128216, 132587, 133672, 142786, 151528, 157976, 188188, 202664, 208351, 217217, 224378, 239512, 248248, 265174, 285572, 329329, 376376, 416702, 434434, 448756, 530348, 571144, 658658, 785323, 833404, 868868, 897512, 928109, 1060696, 1317316, 1458457, 1570646, 1666808, 1737736, 1856218, 2634632, 2916914, 3141292, 3712436, 5833828, 6282584, 7424872, 10209199, 11667656, 20418398, 40836796, 81673592]

約数ペア:

[(1, 81673592), (2, 40836796), (4, 20418398), (7, 11667656), (8, 10209199), (11, 7424872), (13, 6282584), (14, 5833828), (22, 3712436), (26, 3141292), (28, 2916914), (31, 2634632), (44, 1856218), (47, 1737736), (49, 1666808), (52, 1570646), (56, 1458457), (62, 1317316), (77, 1060696), (88, 928109), (91, 897512), (94, 868868), (98, 833404), (104, 785323), (124, 658658), (143, 571144), (154, 530348), (182, 448756), (188, 434434), (196, 416702), (217, 376376), (248, 329329), (286, 285572), (308, 265174), (329, 248248), (341, 239512), (364, 224378), (376, 217217), (392, 208351), (403, 202664), (434, 188188), (517, 157976), (539, 151528), (572, 142786), (611, 133672), (616, 132587), (637, 128216), (658, 124124), (682, 119756), (728, 112189), (806, 101332), (868, 94094), (1001, 81592), (1034, 78988), (1078, 75764), (1144, 71393), (1222, 66836), (1274, 64108), (1316, 62062), (1364, 59878), (1457, 56056), (1519, 53768), (1612, 50666), (1736, 47047), (2002, 40796), (2068, 39494), (2156, 37882), (2303, 35464), (2387, 34216), (2444, 33418), (2548, 32054), (2632, 31031), (2728, 29939), (2821, 28952), (2914, 28028), (3038, 26884), (3224, 25333), (3619, 22568), (4004, 20398), (4136, 19747), (4277, 19096), (4312, 18941), (4433, 18424), (4606, 17732), (4774, 17108), (4888, 16709), (5096, 16027), (5642, 14476), (5828, 14014), (6076, 13442), (6721, 12152), (7007, 11656), (7238, 11284), (8008, 10199), (8554, 9548), (8866, 9212)]