81204512

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1321}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 170902872

約数和(自身を除く): 89698360

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 113, 136, 226, 272, 452, 544, 904, 1321, 1808, 1921, 2642, 3616, 3842, 5284, 7684, 10568, 15368, 21136, 22457, 30736, 42272, 44914, 61472, 89828, 149273, 179656, 298546, 359312, 597092, 718624, 1194184, 2388368, 2537641, 4776736, 5075282, 10150564, 20301128, 40602256, 81204512]

約数ペア:

[(1, 81204512), (2, 40602256), (4, 20301128), (8, 10150564), (16, 5075282), (17, 4776736), (32, 2537641), (34, 2388368), (68, 1194184), (113, 718624), (136, 597092), (226, 359312), (272, 298546), (452, 179656), (544, 149273), (904, 89828), (1321, 61472), (1808, 44914), (1921, 42272), (2642, 30736), (3616, 22457), (3842, 21136), (5284, 15368), (7684, 10568)]