257155106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{8623}}^1$

素因数の和:8706

約数の個数: 32

約数和(自身を含む): 440444928

約数和(自身を除く): 183289822

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 806, 962, 1147, 2294, 8623, 14911, 17246, 29822, 112099, 224198, 267313, 319051, 534626, 638102, 3475069, 4147663, 6950138, 8295326, 9890581, 19781162, 128577553, 257155106]

約数ペア:

[(1, 257155106), (2, 128577553), (13, 19781162), (26, 9890581), (31, 8295326), (37, 6950138), (62, 4147663), (74, 3475069), (403, 638102), (481, 534626), (806, 319051), (962, 267313), (1147, 224198), (2294, 112099), (8623, 29822), (14911, 17246)]