64498340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{189701}}^1$

素因数の和:189727

約数の個数: 24

約数和(自身を含む): 143414712

約数和(自身を除く): 78916372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 189701, 379402, 758804, 948505, 1897010, 3224917, 3794020, 6449834, 12899668, 16124585, 32249170, 64498340]

約数ペア:

[(1, 64498340), (2, 32249170), (4, 16124585), (5, 12899668), (10, 6449834), (17, 3794020), (20, 3224917), (34, 1897010), (68, 948505), (85, 758804), (170, 379402), (340, 189701)]