172715790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{442861}}^1$

素因数の和:442884

約数の個数: 32

約数和(自身を含む): 446404896

約数和(自身を除く): 273689106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 442861, 885722, 1328583, 2214305, 2657166, 4428610, 5757193, 6642915, 11514386, 13285830, 17271579, 28785965, 34543158, 57571930, 86357895, 172715790]

約数ペア:

[(1, 172715790), (2, 86357895), (3, 57571930), (5, 34543158), (6, 28785965), (10, 17271579), (13, 13285830), (15, 11514386), (26, 6642915), (30, 5757193), (39, 4428610), (65, 2657166), (78, 2214305), (130, 1328583), (195, 885722), (390, 442861)]