64110865

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20129}}^1$

素因数の和:20161

約数の個数: 24

約数和(自身を含む): 96382440

約数和(自身を除く): 32271575

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 20129, 100645, 140903, 261677, 704515, 986321, 1308385, 1831739, 4931605, 9158695, 12822173, 64110865]

約数ペア:

[(1, 64110865), (5, 12822173), (7, 9158695), (13, 4931605), (35, 1831739), (49, 1308385), (65, 986321), (91, 704515), (245, 261677), (455, 140903), (637, 100645), (3185, 20129)]