25980266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{16381}}^1$

素因数の和:16457

約数の個数: 16

約数和(自身を含む): 42658728

約数和(自身を除く): 16678462

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 16381, 32762, 212953, 425906, 999241, 1998482, 12990133, 25980266]

約数ペア:

[(1, 25980266), (2, 12990133), (13, 1998482), (26, 999241), (61, 425906), (122, 212953), (793, 32762), (1586, 16381)]