1211111770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{256049}}^1$

素因数の和:256110

約数の個数: 32

約数和(自身を含む): 2433499200

約数和(自身を除く): 1222387430

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 256049, 512098, 1280245, 2560490, 2816539, 5633078, 11010107, 14082695, 22020214, 28165390, 55050535, 110101070, 121111177, 242222354, 605555885, 1211111770]

約数ペア:

[(1, 1211111770), (2, 605555885), (5, 242222354), (10, 121111177), (11, 110101070), (22, 55050535), (43, 28165390), (55, 22020214), (86, 14082695), (110, 11010107), (215, 5633078), (430, 2816539), (473, 2560490), (946, 1280245), (2365, 512098), (4730, 256049)]