666891272

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{641}}^1\times {\mathrm{2767}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 1279480320

約数和(自身を除く): 612589048

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 641, 1282, 2564, 2767, 5128, 5534, 11068, 22136, 30127, 60254, 120508, 130049, 241016, 260098, 520196, 1040392, 1773647, 3547294, 7094588, 14189176, 83361409, 166722818, 333445636, 666891272]

約数ペア:

[(1, 666891272), (2, 333445636), (4, 166722818), (8, 83361409), (47, 14189176), (94, 7094588), (188, 3547294), (376, 1773647), (641, 1040392), (1282, 520196), (2564, 260098), (2767, 241016), (5128, 130049), (5534, 120508), (11068, 60254), (22136, 30127)]