87920315

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 135475200

約数和(自身を除く): 47554885

約数列:

[1, 5, 7, 19, 29, 35, 47, 95, 97, 133, 145, 203, 235, 329, 485, 551, 665, 679, 893, 1015, 1363, 1645, 1843, 2755, 2813, 3395, 3857, 4465, 4559, 6251, 6815, 9215, 9541, 12901, 14065, 19285, 19691, 22795, 25897, 31255, 31913, 47705, 53447, 64505, 86621, 98455, 129485, 132211, 159565, 181279, 267235, 374129, 433105, 606347, 661055, 906395, 925477, 1870645, 2512009, 3031735, 4627385, 12560045, 17584063, 87920315]

約数ペア:

[(1, 87920315), (5, 17584063), (7, 12560045), (19, 4627385), (29, 3031735), (35, 2512009), (47, 1870645), (95, 925477), (97, 906395), (133, 661055), (145, 606347), (203, 433105), (235, 374129), (329, 267235), (485, 181279), (551, 159565), (665, 132211), (679, 129485), (893, 98455), (1015, 86621), (1363, 64505), (1645, 53447), (1843, 47705), (2755, 31913), (2813, 31255), (3395, 25897), (3857, 22795), (4465, 19691), (4559, 19285), (6251, 14065), (6815, 12901), (9215, 9541)]