478778885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 629542368

約数和(自身を除く): 150763483

約数列:

[1, 5, 13, 65, 101, 233, 313, 505, 1165, 1313, 1565, 3029, 4069, 6565, 15145, 20345, 23533, 31613, 72929, 117665, 158065, 305929, 364645, 410969, 948077, 1529645, 2054845, 4740385, 7365829, 36829145, 95755777, 478778885]

約数ペア:

[(1, 478778885), (5, 95755777), (13, 36829145), (65, 7365829), (101, 4740385), (233, 2054845), (313, 1529645), (505, 948077), (1165, 410969), (1313, 364645), (1565, 305929), (3029, 158065), (4069, 117665), (6565, 72929), (15145, 31613), (20345, 23533)]