646806

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 1393920

約数和(自身を除く): 747114

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 109, 129, 138, 218, 258, 327, 654, 989, 1978, 2507, 2967, 4687, 5014, 5934, 7521, 9374, 14061, 15042, 28122, 107801, 215602, 323403, 646806]

約数ペア:

[(1, 646806), (2, 323403), (3, 215602), (6, 107801), (23, 28122), (43, 15042), (46, 14061), (69, 9374), (86, 7521), (109, 5934), (129, 5014), (138, 4687), (218, 2967), (258, 2507), (327, 1978), (654, 989)]