806817025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2633}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 1222850304

約数和(自身を除く): 416033279

約数列:

[1, 5, 7, 17, 25, 35, 85, 103, 119, 175, 425, 515, 595, 721, 1751, 2575, 2633, 2975, 3605, 8755, 12257, 13165, 18025, 18431, 43775, 44761, 61285, 65825, 92155, 223805, 271199, 306425, 313327, 460775, 1119025, 1355995, 1566635, 1898393, 4610383, 6779975, 7833175, 9491965, 23051915, 32272681, 47459825, 115259575, 161363405, 806817025]

約数ペア:

[(1, 806817025), (5, 161363405), (7, 115259575), (17, 47459825), (25, 32272681), (35, 23051915), (85, 9491965), (103, 7833175), (119, 6779975), (175, 4610383), (425, 1898393), (515, 1566635), (595, 1355995), (721, 1119025), (1751, 460775), (2575, 313327), (2633, 306425), (2975, 271199), (3605, 223805), (8755, 92155), (12257, 65825), (13165, 61285), (18025, 44761), (18431, 43775)]