13205090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 25369200

約数和(自身を除く): 12164110

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 449, 865, 898, 1730, 2245, 2941, 4490, 5882, 7633, 14705, 15266, 29410, 38165, 76330, 77677, 155354, 388385, 776770, 1320509, 2641018, 6602545, 13205090]

約数ペア:

[(1, 13205090), (2, 6602545), (5, 2641018), (10, 1320509), (17, 776770), (34, 388385), (85, 155354), (170, 77677), (173, 76330), (346, 38165), (449, 29410), (865, 15266), (898, 14705), (1730, 7633), (2245, 5882), (2941, 4490)]