398783495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13159}}^1$

素因数の和:13223

約数の個数: 32

約数和(自身を含む): 568512000

約数和(自身を除く): 169728505

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 1045, 1595, 2755, 6061, 13159, 30305, 65795, 144749, 250021, 381611, 723745, 1250105, 1908055, 2750231, 4197721, 7250609, 13751155, 20988605, 36253045, 79756699, 398783495]

約数ペア:

[(1, 398783495), (5, 79756699), (11, 36253045), (19, 20988605), (29, 13751155), (55, 7250609), (95, 4197721), (145, 2750231), (209, 1908055), (319, 1250105), (551, 723745), (1045, 381611), (1595, 250021), (2755, 144749), (6061, 65795), (13159, 30305)]