216444865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25037}}^1$

素因数の和:25081

約数の個数: 32

約数和(自身を含む): 336510720

約数和(自身を除く): 120065855

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 25037, 125185, 175259, 325481, 475703, 876295, 1627405, 2278367, 2378515, 3329921, 6184139, 11391835, 16649605, 30920695, 43288973, 216444865]

約数ペア:

[(1, 216444865), (5, 43288973), (7, 30920695), (13, 16649605), (19, 11391835), (35, 6184139), (65, 3329921), (91, 2378515), (95, 2278367), (133, 1627405), (247, 876295), (455, 475703), (665, 325481), (1235, 175259), (1729, 125185), (8645, 25037)]