256450441

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{947}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 284445504

約数和(自身を除く): 27995063

約数列:

[1, 13, 37, 481, 563, 947, 7319, 12311, 20831, 35039, 270803, 455507, 533161, 6931093, 19726957, 256450441]

約数ペア:

[(1, 256450441), (13, 19726957), (37, 6931093), (481, 533161), (563, 455507), (947, 270803), (7319, 35039), (12311, 20831)]