31987928

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19697}}^1$

素因数の和:19739

約数の個数: 32

約数和(自身を含む): 70912800

約数和(自身を除く): 38924872

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 19697, 39394, 78788, 137879, 157576, 275758, 551516, 571213, 1103032, 1142426, 2284852, 3998491, 4569704, 7996982, 15993964, 31987928]

約数ペア:

[(1, 31987928), (2, 15993964), (4, 7996982), (7, 4569704), (8, 3998491), (14, 2284852), (28, 1142426), (29, 1103032), (56, 571213), (58, 551516), (116, 275758), (203, 157576), (232, 137879), (406, 78788), (812, 39394), (1624, 19697)]