684868208

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{919}}^1\times {\mathrm{991}}^1$

素因数の和:1965

約数の個数: 40

約数和(自身を含む): 1358008320

約数和(自身を除く): 673140112

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 919, 991, 1838, 1982, 3676, 3964, 7352, 7928, 14704, 15856, 43193, 46577, 86386, 93154, 172772, 186308, 345544, 372616, 691088, 745232, 910729, 1821458, 3642916, 7285832, 14571664, 42804263, 85608526, 171217052, 342434104, 684868208]

約数ペア:

[(1, 684868208), (2, 342434104), (4, 171217052), (8, 85608526), (16, 42804263), (47, 14571664), (94, 7285832), (188, 3642916), (376, 1821458), (752, 910729), (919, 745232), (991, 691088), (1838, 372616), (1982, 345544), (3676, 186308), (3964, 172772), (7352, 93154), (7928, 86386), (14704, 46577), (15856, 43193)]