28587724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9151}}^1$

素因数の和:9237

約数の個数: 24

約数和(自身を含む): 55351296

約数和(自身を除く): 26763572

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 9151, 18302, 36604, 100661, 201322, 402644, 649721, 1299442, 2598884, 7146931, 14293862, 28587724]

約数ペア:

[(1, 28587724), (2, 14293862), (4, 7146931), (11, 2598884), (22, 1299442), (44, 649721), (71, 402644), (142, 201322), (284, 100661), (781, 36604), (1562, 18302), (3124, 9151)]