13231780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38917}}^1$

素因数の和:38943

約数の個数: 24

約数和(自身を含む): 29422008

約数和(自身を除く): 16190228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 38917, 77834, 155668, 194585, 389170, 661589, 778340, 1323178, 2646356, 3307945, 6615890, 13231780]

約数ペア:

[(1, 13231780), (2, 6615890), (4, 3307945), (5, 2646356), (10, 1323178), (17, 778340), (20, 661589), (34, 389170), (68, 194585), (85, 155668), (170, 77834), (340, 38917)]