256702194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18691}}^1$

素因数の和:18815

約数の個数: 48

約数和(自身を含む): 641509440

約数和(自身を除く): 384807246

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1526, 1962, 2289, 4578, 6867, 13734, 18691, 37382, 56073, 112146, 130837, 168219, 261674, 336438, 392511, 785022, 1177533, 2037319, 2355066, 4074638, 6111957, 12223914, 14261233, 18335871, 28522466, 36671742, 42783699, 85567398, 128351097, 256702194]

約数ペア:

[(1, 256702194), (2, 128351097), (3, 85567398), (6, 42783699), (7, 36671742), (9, 28522466), (14, 18335871), (18, 14261233), (21, 12223914), (42, 6111957), (63, 4074638), (109, 2355066), (126, 2037319), (218, 1177533), (327, 785022), (654, 392511), (763, 336438), (981, 261674), (1526, 168219), (1962, 130837), (2289, 112146), (4578, 56073), (6867, 37382), (13734, 18691)]