628274576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{20441}}^1$

素因数の和:20579

約数の個数: 40

約数和(自身を含む): 1300356504

約数和(自身を除く): 672081928

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 452, 904, 1808, 1921, 3842, 7684, 15368, 20441, 30736, 40882, 81764, 163528, 327056, 347497, 694994, 1389988, 2309833, 2779976, 4619666, 5559952, 9239332, 18478664, 36957328, 39267161, 78534322, 157068644, 314137288, 628274576]

約数ペア:

[(1, 628274576), (2, 314137288), (4, 157068644), (8, 78534322), (16, 39267161), (17, 36957328), (34, 18478664), (68, 9239332), (113, 5559952), (136, 4619666), (226, 2779976), (272, 2309833), (452, 1389988), (904, 694994), (1808, 347497), (1921, 327056), (3842, 163528), (7684, 81764), (15368, 40882), (20441, 30736)]