31405156916

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{133319}}^1$

素因数の和:133556

約数の個数: 48

約数和(自身を含む): 64505548800

約数和(自身を除く): 33100391884

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 179, 188, 329, 358, 658, 716, 1253, 1316, 2506, 5012, 8413, 16826, 33652, 58891, 117782, 133319, 235564, 266638, 533276, 933233, 1866466, 3732932, 6265993, 12531986, 23864101, 25063972, 43861951, 47728202, 87723902, 95456404, 167048707, 175447804, 334097414, 668194828, 1121612747, 2243225494, 4486450988, 7851289229, 15702578458, 31405156916]

約数ペア:

[(1, 31405156916), (2, 15702578458), (4, 7851289229), (7, 4486450988), (14, 2243225494), (28, 1121612747), (47, 668194828), (94, 334097414), (179, 175447804), (188, 167048707), (329, 95456404), (358, 87723902), (658, 47728202), (716, 43861951), (1253, 25063972), (1316, 23864101), (2506, 12531986), (5012, 6265993), (8413, 3732932), (16826, 1866466), (33652, 933233), (58891, 533276), (117782, 266638), (133319, 235564)]