646021904

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{2953}}^1$

素因数の和:3096

約数の個数: 60

約数和(自身を含む): 1388444988

約数和(自身を除く): 742423084

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 121, 176, 226, 242, 452, 484, 904, 968, 1243, 1808, 1936, 2486, 2953, 4972, 5906, 9944, 11812, 13673, 19888, 23624, 27346, 32483, 47248, 54692, 64966, 109384, 129932, 218768, 259864, 333689, 357313, 519728, 667378, 714626, 1334756, 1429252, 2669512, 2858504, 3670579, 5339024, 5717008, 7341158, 14682316, 29364632, 40376369, 58729264, 80752738, 161505476, 323010952, 646021904]

約数ペア:

[(1, 646021904), (2, 323010952), (4, 161505476), (8, 80752738), (11, 58729264), (16, 40376369), (22, 29364632), (44, 14682316), (88, 7341158), (113, 5717008), (121, 5339024), (176, 3670579), (226, 2858504), (242, 2669512), (452, 1429252), (484, 1334756), (904, 714626), (968, 667378), (1243, 519728), (1808, 357313), (1936, 333689), (2486, 259864), (2953, 218768), (4972, 129932), (5906, 109384), (9944, 64966), (11812, 54692), (13673, 47248), (19888, 32483), (23624, 27346)]