1657136

素因数分解:

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

素因数の和:309

約数の個数: 40

約数和(自身を含む): 3583104

約数和(自身を除く): 1925968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 257, 403, 496, 514, 806, 1028, 1612, 2056, 3224, 3341, 4112, 6448, 6682, 7967, 13364, 15934, 26728, 31868, 53456, 63736, 103571, 127472, 207142, 414284, 828568, 1657136]

約数ペア:

[(1, 1657136), (2, 828568), (4, 414284), (8, 207142), (13, 127472), (16, 103571), (26, 63736), (31, 53456), (52, 31868), (62, 26728), (104, 15934), (124, 13364), (208, 7967), (248, 6682), (257, 6448), (403, 4112), (496, 3341), (514, 3224), (806, 2056), (1028, 1612)]