28490052016

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 58512326400

約数和(自身を除く): 30022274384

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 109, 124, 178, 191, 218, 248, 356, 382, 436, 496, 712, 764, 872, 961, 1424, 1528, 1744, 1922, 2759, 3056, 3379, 3844, 5518, 5921, 6758, 7688, 9701, 11036, 11842, 13516, 15376, 16999, 19402, 20819, 22072, 23684, 27032, 33998, 38804, 41638, 44144, 47368, 54064, 67996, 77608, 83276, 85529, 94736, 104749, 135992, 155216, 166552, 171058, 183551, 209498, 271984, 300731, 333104, 342116, 367102, 418996, 526969, 601462, 645389, 684232, 734204, 837992, 1053938, 1202924, 1290778, 1368464, 1468408, 1675984, 1852891, 2107876, 2405848, 2581556, 2936816, 3705782, 4215752, 4811696, 5163112, 7411564, 8431504, 9322661, 10326224, 14823128, 16336039, 18645322, 20007059, 29646256, 32672078, 37290644, 40014118, 57439621, 65344156, 74581288, 80028236, 114879242, 130688312, 149162576, 160056472, 229758484, 261376624, 320112944, 459516968, 919033936, 1780628251, 3561256502, 7122513004, 14245026008, 28490052016]

約数ペア:

[(1, 28490052016), (2, 14245026008), (4, 7122513004), (8, 3561256502), (16, 1780628251), (31, 919033936), (62, 459516968), (89, 320112944), (109, 261376624), (124, 229758484), (178, 160056472), (191, 149162576), (218, 130688312), (248, 114879242), (356, 80028236), (382, 74581288), (436, 65344156), (496, 57439621), (712, 40014118), (764, 37290644), (872, 32672078), (961, 29646256), (1424, 20007059), (1528, 18645322), (1744, 16336039), (1922, 14823128), (2759, 10326224), (3056, 9322661), (3379, 8431504), (3844, 7411564), (5518, 5163112), (5921, 4811696), (6758, 4215752), (7688, 3705782), (9701, 2936816), (11036, 2581556), (11842, 2405848), (13516, 2107876), (15376, 1852891), (16999, 1675984), (19402, 1468408), (20819, 1368464), (22072, 1290778), (23684, 1202924), (27032, 1053938), (33998, 837992), (38804, 734204), (41638, 684232), (44144, 645389), (47368, 601462), (54064, 526969), (67996, 418996), (77608, 367102), (83276, 342116), (85529, 333104), (94736, 300731), (104749, 271984), (135992, 209498), (155216, 183551), (166552, 171058)]