645940288

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11353}}^1$

素因数の和:11499

約数の個数: 56

約数和(自身を含む): 1476564992

約数和(自身を除く): 830624704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 448, 508, 889, 1016, 1778, 2032, 3556, 4064, 7112, 8128, 11353, 14224, 22706, 28448, 45412, 56896, 79471, 90824, 158942, 181648, 317884, 363296, 635768, 726592, 1271536, 1441831, 2543072, 2883662, 5086144, 5767324, 10092817, 11534648, 20185634, 23069296, 40371268, 46138592, 80742536, 92277184, 161485072, 322970144, 645940288]

約数ペア:

[(1, 645940288), (2, 322970144), (4, 161485072), (7, 92277184), (8, 80742536), (14, 46138592), (16, 40371268), (28, 23069296), (32, 20185634), (56, 11534648), (64, 10092817), (112, 5767324), (127, 5086144), (224, 2883662), (254, 2543072), (448, 1441831), (508, 1271536), (889, 726592), (1016, 635768), (1778, 363296), (2032, 317884), (3556, 181648), (4064, 158942), (7112, 90824), (8128, 79471), (11353, 56896), (14224, 45412), (22706, 28448)]