646607668

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{2857}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 1325197440

約数和(自身を除く): 678589772

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 137, 236, 274, 413, 548, 826, 959, 1652, 1918, 2857, 3836, 5714, 8083, 11428, 16166, 19999, 32332, 39998, 56581, 79996, 113162, 168563, 226324, 337126, 391409, 674252, 782818, 1179941, 1565636, 2359882, 2739863, 4719764, 5479726, 10959452, 23093131, 46186262, 92372524, 161651917, 323303834, 646607668]

約数ペア:

[(1, 646607668), (2, 323303834), (4, 161651917), (7, 92372524), (14, 46186262), (28, 23093131), (59, 10959452), (118, 5479726), (137, 4719764), (236, 2739863), (274, 2359882), (413, 1565636), (548, 1179941), (826, 782818), (959, 674252), (1652, 391409), (1918, 337126), (2857, 226324), (3836, 168563), (5714, 113162), (8083, 79996), (11428, 56581), (16166, 39998), (19999, 32332)]