15809804545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1\times {\mathrm{2917}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 19900293120

約数和(自身を除く): 4090488575

約数列:

[1, 5, 31, 73, 155, 365, 479, 2263, 2395, 2917, 11315, 14585, 14849, 34967, 74245, 90427, 174835, 212941, 452135, 1064705, 1083977, 1397243, 5419885, 6601171, 6986215, 33005855, 43314533, 101998739, 216572665, 509993695, 3161960909, 15809804545]

約数ペア:

[(1, 15809804545), (5, 3161960909), (31, 509993695), (73, 216572665), (155, 101998739), (365, 43314533), (479, 33005855), (2263, 6986215), (2395, 6601171), (2917, 5419885), (11315, 1397243), (14585, 1083977), (14849, 1064705), (34967, 452135), (74245, 212941), (90427, 174835)]