71990104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 71710376

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 788, 1576, 2687, 3349, 5374, 6698, 10748, 13396, 21496, 26792, 45679, 91358, 182716, 365432, 529339, 1058678, 2117356, 4234712, 8998763, 17997526, 35995052, 71990104]

約数ペア:

[(1, 71990104), (2, 35995052), (4, 17997526), (8, 8998763), (17, 4234712), (34, 2117356), (68, 1058678), (136, 529339), (197, 365432), (394, 182716), (788, 91358), (1576, 45679), (2687, 26792), (3349, 21496), (5374, 13396), (6698, 10748)]