205866515075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{87697}}^1$

素因数の和:87984

約数の個数: 48

約数和(自身を含む): 285000258816

約数和(自身を除く): 79133743741

約数列:

[1, 5, 13, 25, 31, 65, 155, 233, 325, 403, 775, 1165, 2015, 3029, 5825, 7223, 10075, 15145, 36115, 75725, 87697, 93899, 180575, 438485, 469495, 1140061, 2192425, 2347475, 2718607, 5700305, 13593035, 20433401, 28501525, 35341891, 67965175, 102167005, 176709455, 265634213, 510835025, 633435431, 883547275, 1328171065, 3167177155, 6640855325, 8234660603, 15835885775, 41173303015, 205866515075]

約数ペア:

[(1, 205866515075), (5, 41173303015), (13, 15835885775), (25, 8234660603), (31, 6640855325), (65, 3167177155), (155, 1328171065), (233, 883547275), (325, 633435431), (403, 510835025), (775, 265634213), (1165, 176709455), (2015, 102167005), (3029, 67965175), (5825, 35341891), (7223, 28501525), (10075, 20433401), (15145, 13593035), (36115, 5700305), (75725, 2718607), (87697, 2347475), (93899, 2192425), (180575, 1140061), (438485, 469495)]