31971688

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19687}}^1$

素因数の和:19729

約数の個数: 32

約数和(自身を含む): 70876800

約数和(自身を除く): 38905112

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 19687, 39374, 78748, 137809, 157496, 275618, 551236, 570923, 1102472, 1141846, 2283692, 3996461, 4567384, 7992922, 15985844, 31971688]

約数ペア:

[(1, 31971688), (2, 15985844), (4, 7992922), (7, 4567384), (8, 3996461), (14, 2283692), (28, 1141846), (29, 1102472), (56, 570923), (58, 551236), (116, 275618), (203, 157496), (232, 137809), (406, 78748), (812, 39374), (1624, 19687)]