90850465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 28899935

約数列:

[1, 5, 17, 41, 85, 131, 199, 205, 655, 697, 995, 2227, 3383, 3485, 5371, 8159, 11135, 16915, 26069, 26855, 40795, 91307, 130345, 138703, 443173, 456535, 693515, 1068829, 2215865, 5344145, 18170093, 90850465]

約数ペア:

[(1, 90850465), (5, 18170093), (17, 5344145), (41, 2215865), (85, 1068829), (131, 693515), (199, 456535), (205, 443173), (655, 138703), (697, 130345), (995, 91307), (2227, 40795), (3383, 26855), (3485, 26069), (5371, 16915), (8159, 11135)]