90418165

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 116278272

約数和(自身を除く): 25860107

約数列:

[1, 5, 31, 61, 73, 131, 155, 305, 365, 655, 1891, 2263, 4061, 4453, 7991, 9455, 9563, 11315, 20305, 22265, 39955, 47815, 138043, 247721, 296453, 583343, 690215, 1238605, 1482265, 2916715, 18083633, 90418165]

約数ペア:

[(1, 90418165), (5, 18083633), (31, 2916715), (61, 1482265), (73, 1238605), (131, 690215), (155, 583343), (305, 296453), (365, 247721), (655, 138043), (1891, 47815), (2263, 39955), (4061, 22265), (4453, 20305), (7991, 11315), (9455, 9563)]