81420948

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:582

約数の個数: 108

約数和(自身を含む): 242315892

約数和(自身を除く): 160894944

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 101, 126, 147, 196, 202, 252, 294, 303, 404, 441, 457, 588, 606, 707, 882, 909, 914, 1212, 1371, 1414, 1764, 1818, 1828, 2121, 2742, 2828, 3199, 3636, 4113, 4242, 4949, 5484, 6363, 6398, 8226, 8484, 9597, 9898, 12726, 12796, 14847, 16452, 19194, 19796, 22393, 25452, 28791, 29694, 38388, 44541, 44786, 46157, 57582, 59388, 67179, 89082, 89572, 92314, 115164, 134358, 138471, 178164, 184628, 201537, 268716, 276942, 323099, 403074, 415413, 553884, 646198, 806148, 830826, 969297, 1292396, 1661652, 1938594, 2261693, 2907891, 3877188, 4523386, 5815782, 6785079, 9046772, 11631564, 13570158, 20355237, 27140316, 40710474, 81420948]

約数ペア:

[(1, 81420948), (2, 40710474), (3, 27140316), (4, 20355237), (6, 13570158), (7, 11631564), (9, 9046772), (12, 6785079), (14, 5815782), (18, 4523386), (21, 3877188), (28, 2907891), (36, 2261693), (42, 1938594), (49, 1661652), (63, 1292396), (84, 969297), (98, 830826), (101, 806148), (126, 646198), (147, 553884), (196, 415413), (202, 403074), (252, 323099), (294, 276942), (303, 268716), (404, 201537), (441, 184628), (457, 178164), (588, 138471), (606, 134358), (707, 115164), (882, 92314), (909, 89572), (914, 89082), (1212, 67179), (1371, 59388), (1414, 57582), (1764, 46157), (1818, 44786), (1828, 44541), (2121, 38388), (2742, 29694), (2828, 28791), (3199, 25452), (3636, 22393), (4113, 19796), (4242, 19194), (4949, 16452), (5484, 14847), (6363, 12796), (6398, 12726), (8226, 9898), (8484, 9597)]