81356708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8429}}^1$

素因数の和:8579

約数の個数: 24

約数和(自身を含む): 151065600

約数和(自身を除く): 69708892

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 8429, 9652, 16858, 33716, 160151, 320302, 640604, 1070483, 2140966, 4281932, 20339177, 40678354, 81356708]

約数ペア:

[(1, 81356708), (2, 40678354), (4, 20339177), (19, 4281932), (38, 2140966), (76, 1070483), (127, 640604), (254, 320302), (508, 160151), (2413, 33716), (4826, 16858), (8429, 9652)]