81451708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{4339}}^1$

素因数の和:4394

約数の個数: 36

約数和(自身を含む): 162046920

約数和(自身を除く): 80595212

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1444, 4339, 4693, 8678, 9386, 17356, 18772, 56407, 82441, 112814, 164882, 225628, 329764, 1071733, 1566379, 2143466, 3132758, 4286932, 6265516, 20362927, 40725854, 81451708]

約数ペア:

[(1, 81451708), (2, 40725854), (4, 20362927), (13, 6265516), (19, 4286932), (26, 3132758), (38, 2143466), (52, 1566379), (76, 1071733), (247, 329764), (361, 225628), (494, 164882), (722, 112814), (988, 82441), (1444, 56407), (4339, 18772), (4693, 17356), (8678, 9386)]