27947003905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{28697}}^1$

素因数の和:28897

約数の個数: 32

約数和(自身を含む): 35528583168

約数和(自身を除く): 7581579263

約数列:

[1, 5, 31, 61, 103, 155, 305, 515, 1891, 3193, 6283, 9455, 15965, 28697, 31415, 143485, 194773, 889607, 973865, 1750517, 2955791, 4448035, 8752585, 14778955, 54266027, 91629521, 180303251, 271330135, 458147605, 901516255, 5589400781, 27947003905]

約数ペア:

[(1, 27947003905), (5, 5589400781), (31, 901516255), (61, 458147605), (103, 271330135), (155, 180303251), (305, 91629521), (515, 54266027), (1891, 14778955), (3193, 8752585), (6283, 4448035), (9455, 2955791), (15965, 1750517), (28697, 973865), (31415, 889607), (143485, 194773)]