81631924

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{743}}^1$

素因数の和:996

約数の個数: 36

約数和(自身を含む): 157927392

約数和(自身を除く): 76295468

約数列:

[1, 2, 4, 11, 22, 44, 121, 227, 242, 454, 484, 743, 908, 1486, 2497, 2972, 4994, 8173, 9988, 16346, 27467, 32692, 54934, 89903, 109868, 168661, 179806, 337322, 359612, 674644, 1855271, 3710542, 7421084, 20407981, 40815962, 81631924]

約数ペア:

[(1, 81631924), (2, 40815962), (4, 20407981), (11, 7421084), (22, 3710542), (44, 1855271), (121, 674644), (227, 359612), (242, 337322), (454, 179806), (484, 168661), (743, 109868), (908, 89903), (1486, 54934), (2497, 32692), (2972, 27467), (4994, 16346), (8173, 9988)]