631258901

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 792099840

約数和(自身を除く): 160840939

約数列:

[1, 7, 13, 79, 91, 277, 317, 553, 1027, 1939, 2219, 3601, 4121, 7189, 21883, 25043, 25207, 28847, 87809, 153181, 175301, 284479, 325559, 614663, 1141517, 1991353, 2278913, 6936911, 7990619, 48558377, 90179843, 631258901]

約数ペア:

[(1, 631258901), (7, 90179843), (13, 48558377), (79, 7990619), (91, 6936911), (277, 2278913), (317, 1991353), (553, 1141517), (1027, 614663), (1939, 325559), (2219, 284479), (3601, 175301), (4121, 153181), (7189, 87809), (21883, 28847), (25043, 25207)]