1267781255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{15641}}^1$

素因数の和:15731

約数の個数: 32

約数和(自身を含む): 1734384960

約数和(自身を除く): 466603705

約数列:

[1, 5, 13, 29, 43, 65, 145, 215, 377, 559, 1247, 1885, 2795, 6235, 15641, 16211, 78205, 81055, 203333, 453589, 672563, 1016665, 2267945, 3362815, 5896657, 8743319, 19504327, 29483285, 43716595, 97521635, 253556251, 1267781255]

約数ペア:

[(1, 1267781255), (5, 253556251), (13, 97521635), (29, 43716595), (43, 29483285), (65, 19504327), (145, 8743319), (215, 5896657), (377, 3362815), (559, 2267945), (1247, 1016665), (1885, 672563), (2795, 453589), (6235, 203333), (15641, 81055), (16211, 78205)]