81256768

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{3517}}^1$

素因数の和:3567

約数の個数: 42

約数和(自身を含む): 170225466

約数和(自身を除く): 88968698

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 2888, 3517, 5776, 7034, 11552, 14068, 23104, 28136, 56272, 66823, 112544, 133646, 225088, 267292, 534584, 1069168, 1269637, 2138336, 2539274, 4276672, 5078548, 10157096, 20314192, 40628384, 81256768]

約数ペア:

[(1, 81256768), (2, 40628384), (4, 20314192), (8, 10157096), (16, 5078548), (19, 4276672), (32, 2539274), (38, 2138336), (64, 1269637), (76, 1069168), (152, 534584), (304, 267292), (361, 225088), (608, 133646), (722, 112544), (1216, 66823), (1444, 56272), (2888, 28136), (3517, 23104), (5776, 14068), (7034, 11552)]