664557712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{456427}}^1$

素因数の和:456455

約数の個数: 40

約数和(自身を含む): 1584718016

約数和(自身を除く): 920160304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 456427, 912854, 1825708, 3194989, 3651416, 5933551, 6389978, 7302832, 11867102, 12779956, 23734204, 25559912, 41534857, 47468408, 51119824, 83069714, 94936816, 166139428, 332278856, 664557712]

約数ペア:

[(1, 664557712), (2, 332278856), (4, 166139428), (7, 94936816), (8, 83069714), (13, 51119824), (14, 47468408), (16, 41534857), (26, 25559912), (28, 23734204), (52, 12779956), (56, 11867102), (91, 7302832), (104, 6389978), (112, 5933551), (182, 3651416), (208, 3194989), (364, 1825708), (728, 912854), (1456, 456427)]