648870481

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{9679}}^1$

素因数の和:9904

約数の個数: 16

約数和(自身を含む): 758602240

約数和(自身を除く): 109731759

約数列:

[1, 7, 61, 157, 427, 1099, 9577, 9679, 67039, 67753, 590419, 1519603, 4132933, 10637221, 92695783, 648870481]

約数ペア:

[(1, 648870481), (7, 92695783), (61, 10637221), (157, 4132933), (427, 1519603), (1099, 590419), (9577, 67753), (9679, 67039)]