51371216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 111188196

約数和(自身を除く): 59816980

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 257, 403, 496, 514, 806, 961, 1028, 1612, 1922, 2056, 3224, 3341, 3844, 4112, 6448, 6682, 7688, 7967, 12493, 13364, 15376, 15934, 24986, 26728, 31868, 49972, 53456, 63736, 99944, 103571, 127472, 199888, 207142, 246977, 414284, 493954, 828568, 987908, 1657136, 1975816, 3210701, 3951632, 6421402, 12842804, 25685608, 51371216]

約数ペア:

[(1, 51371216), (2, 25685608), (4, 12842804), (8, 6421402), (13, 3951632), (16, 3210701), (26, 1975816), (31, 1657136), (52, 987908), (62, 828568), (104, 493954), (124, 414284), (208, 246977), (248, 207142), (257, 199888), (403, 127472), (496, 103571), (514, 99944), (806, 63736), (961, 53456), (1028, 49972), (1612, 31868), (1922, 26728), (2056, 24986), (3224, 15934), (3341, 15376), (3844, 13364), (4112, 12493), (6448, 7967), (6682, 7688)]