16405780328

素因数分解:

$2^3\times 7^1\times {\mathrm{34781}}^1\times {\mathrm{8423}}^1$

素因数の和:43217

約数の個数: 32

約数和(自身を含む): 35160428160

約数和(自身を除く): 18754647832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 8423, 16846, 33692, 34781, 58961, 67384, 69562, 117922, 139124, 235844, 243467, 278248, 471688, 486934, 973868, 1947736, 292960363, 585920726, 1171841452, 2050722541, 2343682904, 4101445082, 8202890164, 16405780328]

約数ペア:

[(1, 16405780328), (2, 8202890164), (4, 4101445082), (7, 2343682904), (8, 2050722541), (14, 1171841452), (28, 585920726), (56, 292960363), (8423, 1947736), (16846, 973868), (33692, 486934), (34781, 471688), (58961, 278248), (67384, 243467), (69562, 235844), (117922, 139124)]