256415419

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 290399040

約数和(自身を除く): 33983621

約数列:

[1, 13, 29, 113, 169, 377, 463, 1469, 3277, 4901, 6019, 13427, 19097, 42601, 52319, 78247, 174551, 553813, 680147, 1517251, 2269163, 8841911, 19724263, 256415419]

約数ペア:

[(1, 256415419), (13, 19724263), (29, 8841911), (113, 2269163), (169, 1517251), (377, 680147), (463, 553813), (1469, 174551), (3277, 78247), (4901, 52319), (6019, 42601), (13427, 19097)]