157427905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 206841600

約数和(自身を除く): 49413695

約数列:

[1, 5, 17, 41, 85, 199, 205, 227, 697, 995, 1135, 3383, 3485, 3859, 8159, 9307, 16915, 19295, 40795, 45173, 46535, 138703, 158219, 225865, 693515, 767941, 791095, 1852093, 3839705, 9260465, 31485581, 157427905]

約数ペア:

[(1, 157427905), (5, 31485581), (17, 9260465), (41, 3839705), (85, 1852093), (199, 791095), (205, 767941), (227, 693515), (697, 225865), (995, 158219), (1135, 138703), (3383, 46535), (3485, 45173), (3859, 40795), (8159, 19295), (9307, 16915)]