64263710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31657}}^1$

素因数の和:31700

約数の個数: 32

約数和(自身を含む): 136762560

約数和(自身を除く): 72498850

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 31657, 63314, 158285, 221599, 316570, 443198, 918053, 1107995, 1836106, 2215990, 4590265, 6426371, 9180530, 12852742, 32131855, 64263710]

約数ペア:

[(1, 64263710), (2, 32131855), (5, 12852742), (7, 9180530), (10, 6426371), (14, 4590265), (29, 2215990), (35, 1836106), (58, 1107995), (70, 918053), (145, 443198), (203, 316570), (290, 221599), (406, 158285), (1015, 63314), (2030, 31657)]