66278408

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 146655360

約数和(自身を除く): 80376952

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 137, 163, 212, 274, 326, 371, 424, 548, 652, 742, 959, 1096, 1141, 1304, 1484, 1918, 2282, 2968, 3836, 4564, 7261, 7672, 8639, 9128, 14522, 17278, 22331, 29044, 34556, 44662, 50827, 58088, 60473, 69112, 89324, 101654, 120946, 156317, 178648, 203308, 241892, 312634, 406616, 483784, 625268, 1183543, 1250536, 2367086, 4734172, 8284801, 9468344, 16569602, 33139204, 66278408]

約数ペア:

[(1, 66278408), (2, 33139204), (4, 16569602), (7, 9468344), (8, 8284801), (14, 4734172), (28, 2367086), (53, 1250536), (56, 1183543), (106, 625268), (137, 483784), (163, 406616), (212, 312634), (274, 241892), (326, 203308), (371, 178648), (424, 156317), (548, 120946), (652, 101654), (742, 89324), (959, 69112), (1096, 60473), (1141, 58088), (1304, 50827), (1484, 44662), (1918, 34556), (2282, 29044), (2968, 22331), (3836, 17278), (4564, 14522), (7261, 9128), (7672, 8639)]