64298488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1123}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 128068560

約数和(自身を除く): 63770072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1123, 1684, 2246, 3368, 4492, 7157, 8984, 14314, 19091, 28628, 38182, 57256, 76364, 152728, 472783, 945566, 1891132, 3782264, 8037311, 16074622, 32149244, 64298488]

約数ペア:

[(1, 64298488), (2, 32149244), (4, 16074622), (8, 8037311), (17, 3782264), (34, 1891132), (68, 945566), (136, 472783), (421, 152728), (842, 76364), (1123, 57256), (1684, 38182), (2246, 28628), (3368, 19091), (4492, 14314), (7157, 8984)]