258209208

素因数分解:

$2^3\times 3^4\times {\mathrm{398471}}^1$

素因数の和:398489

約数の個数: 40

約数和(自身を含む): 723226680

約数和(自身を除く): 465017472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 398471, 796942, 1195413, 1593884, 2390826, 3187768, 3586239, 4781652, 7172478, 9563304, 10758717, 14344956, 21517434, 28689912, 32276151, 43034868, 64552302, 86069736, 129104604, 258209208]

約数ペア:

[(1, 258209208), (2, 129104604), (3, 86069736), (4, 64552302), (6, 43034868), (8, 32276151), (9, 28689912), (12, 21517434), (18, 14344956), (24, 10758717), (27, 9563304), (36, 7172478), (54, 4781652), (72, 3586239), (81, 3187768), (108, 2390826), (162, 1593884), (216, 1195413), (324, 796942), (648, 398471)]