289911284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{91397}}^1$

素因数の和:91475

約数の個数: 24

約数和(自身を含む): 555334248

約数和(自身を除く): 265422964

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 91397, 182794, 365588, 1188161, 2376322, 4752644, 5575217, 11150434, 22300868, 72477821, 144955642, 289911284]

約数ペア:

[(1, 289911284), (2, 144955642), (4, 72477821), (13, 22300868), (26, 11150434), (52, 5575217), (61, 4752644), (122, 2376322), (244, 1188161), (793, 365588), (1586, 182794), (3172, 91397)]