66661390

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 55266290

約数列:

[1, 2, 5, 10, 167, 179, 223, 334, 358, 446, 835, 895, 1115, 1670, 1790, 2230, 29893, 37241, 39917, 59786, 74482, 79834, 149465, 186205, 199585, 298930, 372410, 399170, 6666139, 13332278, 33330695, 66661390]

約数ペア:

[(1, 66661390), (2, 33330695), (5, 13332278), (10, 6666139), (167, 399170), (179, 372410), (223, 298930), (334, 199585), (358, 186205), (446, 149465), (835, 79834), (895, 74482), (1115, 59786), (1670, 39917), (1790, 37241), (2230, 29893)]