385880131

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 497968128

約数和(自身を除く): 112087997

約数列:

[1, 7, 13, 23, 91, 161, 299, 331, 557, 2093, 2317, 3899, 4303, 7241, 7613, 12811, 30121, 50687, 53291, 89677, 98969, 166543, 184367, 692783, 1165801, 1290569, 2396771, 4240441, 16777397, 29683087, 55125733, 385880131]

約数ペア:

[(1, 385880131), (7, 55125733), (13, 29683087), (23, 16777397), (91, 4240441), (161, 2396771), (299, 1290569), (331, 1165801), (557, 692783), (2093, 184367), (2317, 166543), (3899, 98969), (4303, 89677), (7241, 53291), (7613, 50687), (12811, 30121)]