654157968

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{316937}}^1$

素因数の和:316991

約数の個数: 40

約数和(自身を含む): 1729213728

約数和(自身を除く): 1075055760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 316937, 633874, 950811, 1267748, 1901622, 2535496, 3803244, 5070992, 7606488, 13628291, 15212976, 27256582, 40884873, 54513164, 81769746, 109026328, 163539492, 218052656, 327078984, 654157968]

約数ペア:

[(1, 654157968), (2, 327078984), (3, 218052656), (4, 163539492), (6, 109026328), (8, 81769746), (12, 54513164), (16, 40884873), (24, 27256582), (43, 15212976), (48, 13628291), (86, 7606488), (129, 5070992), (172, 3803244), (258, 2535496), (344, 1901622), (516, 1267748), (688, 950811), (1032, 633874), (2064, 316937)]