81261916

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^2$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 150782632

約数和(自身を除く): 69520716

約数列:

[1, 2, 4, 37, 43, 74, 86, 113, 148, 172, 226, 452, 1591, 3182, 4181, 4859, 6364, 8362, 9718, 12769, 16724, 19436, 25538, 51076, 179783, 359566, 472453, 549067, 719132, 944906, 1098134, 1889812, 2196268, 20315479, 40630958, 81261916]

約数ペア:

[(1, 81261916), (2, 40630958), (4, 20315479), (37, 2196268), (43, 1889812), (74, 1098134), (86, 944906), (113, 719132), (148, 549067), (172, 472453), (226, 359566), (452, 179783), (1591, 51076), (3182, 25538), (4181, 19436), (4859, 16724), (6364, 12769), (8362, 9718)]