129791389

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 166584320

約数和(自身を除く): 36792931

約数列:

[1, 7, 13, 31, 91, 139, 217, 331, 403, 973, 1807, 2317, 2821, 4303, 4309, 10261, 12649, 30121, 30163, 46009, 56017, 71827, 133393, 322063, 392119, 598117, 933751, 1426279, 4186819, 9983953, 18541627, 129791389]

約数ペア:

[(1, 129791389), (7, 18541627), (13, 9983953), (31, 4186819), (91, 1426279), (139, 933751), (217, 598117), (331, 392119), (403, 322063), (973, 133393), (1807, 71827), (2317, 56017), (2821, 46009), (4303, 30163), (4309, 30121), (10261, 12649)]