86711870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 182513088

約数和(自身を除く): 95801218

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 271, 490, 542, 653, 1306, 1355, 1897, 2710, 3265, 3794, 4571, 6530, 9142, 9485, 13279, 18970, 22855, 26558, 31997, 45710, 63994, 66395, 132790, 159985, 176963, 319970, 353926, 884815, 1238741, 1769630, 2477482, 6193705, 8671187, 12387410, 17342374, 43355935, 86711870]

約数ペア:

[(1, 86711870), (2, 43355935), (5, 17342374), (7, 12387410), (10, 8671187), (14, 6193705), (35, 2477482), (49, 1769630), (70, 1238741), (98, 884815), (245, 353926), (271, 319970), (490, 176963), (542, 159985), (653, 132790), (1306, 66395), (1355, 63994), (1897, 45710), (2710, 31997), (3265, 26558), (3794, 22855), (4571, 18970), (6530, 13279), (9142, 9485)]