51854089

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 60278400

約数和(自身を除く): 8424311

約数列:

[1, 7, 137, 139, 389, 959, 973, 2723, 19043, 53293, 54071, 133301, 373051, 378497, 7407727, 51854089]

約数ペア:

[(1, 51854089), (7, 7407727), (137, 378497), (139, 373051), (389, 133301), (959, 54071), (973, 53293), (2723, 19043)]