81195464

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 180576000

約数和(自身を除く): 99380536

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 149, 259, 263, 296, 298, 518, 526, 596, 1036, 1043, 1052, 1192, 1841, 2072, 2086, 2104, 3682, 4172, 5513, 7364, 8344, 9731, 11026, 14728, 19462, 22052, 38591, 38924, 39187, 44104, 68117, 77182, 77848, 78374, 136234, 154364, 156748, 272468, 274309, 308728, 313496, 544936, 548618, 1097236, 1449919, 2194472, 2899838, 5799676, 10149433, 11599352, 20298866, 40597732, 81195464]

約数ペア:

[(1, 81195464), (2, 40597732), (4, 20298866), (7, 11599352), (8, 10149433), (14, 5799676), (28, 2899838), (37, 2194472), (56, 1449919), (74, 1097236), (148, 548618), (149, 544936), (259, 313496), (263, 308728), (296, 274309), (298, 272468), (518, 156748), (526, 154364), (596, 136234), (1036, 78374), (1043, 77848), (1052, 77182), (1192, 68117), (1841, 44104), (2072, 39187), (2086, 38924), (2104, 38591), (3682, 22052), (4172, 19462), (5513, 14728), (7364, 11026), (8344, 9731)]