87971807

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{719}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 112285440

約数和(自身を除く): 24313633

約数列:

[1, 7, 11, 49, 77, 227, 539, 719, 1589, 2497, 5033, 7909, 11123, 17479, 35231, 55363, 122353, 163213, 387541, 1142491, 1795343, 7997437, 12567401, 87971807]

約数ペア:

[(1, 87971807), (7, 12567401), (11, 7997437), (49, 1795343), (77, 1142491), (227, 387541), (539, 163213), (719, 122353), (1589, 55363), (2497, 35231), (5033, 17479), (7909, 11123)]