12722216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 25893000

約数和(自身を除く): 13170784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 821, 1192, 1642, 1937, 3284, 3874, 6568, 7748, 10673, 15496, 21346, 42692, 85384, 122329, 244658, 489316, 978632, 1590277, 3180554, 6361108, 12722216]

約数ペア:

[(1, 12722216), (2, 6361108), (4, 3180554), (8, 1590277), (13, 978632), (26, 489316), (52, 244658), (104, 122329), (149, 85384), (298, 42692), (596, 21346), (821, 15496), (1192, 10673), (1642, 7748), (1937, 6568), (3284, 3874)]