320691332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{727}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 642096000

約数和(自身を除く): 321404668

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 499, 727, 884, 998, 1454, 1996, 2908, 6487, 8483, 9451, 12359, 12974, 16966, 18902, 24718, 25948, 33932, 37804, 49436, 110279, 160667, 220558, 321334, 362773, 441116, 642668, 725546, 1451092, 4716049, 6167141, 9432098, 12334282, 18864196, 24668564, 80172833, 160345666, 320691332]

約数ペア:

[(1, 320691332), (2, 160345666), (4, 80172833), (13, 24668564), (17, 18864196), (26, 12334282), (34, 9432098), (52, 6167141), (68, 4716049), (221, 1451092), (442, 725546), (499, 642668), (727, 441116), (884, 362773), (998, 321334), (1454, 220558), (1996, 160667), (2908, 110279), (6487, 49436), (8483, 37804), (9451, 33932), (12359, 25948), (12974, 24718), (16966, 18902)]