204693745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 269568000

約数和(自身を除く): 64874255

約数列:

[1, 5, 19, 29, 95, 145, 191, 389, 551, 955, 1945, 2755, 3629, 5539, 7391, 11281, 18145, 27695, 36955, 56405, 74299, 105241, 214339, 371495, 526205, 1071695, 1411681, 2154671, 7058405, 10773355, 40938749, 204693745]

約数ペア:

[(1, 204693745), (5, 40938749), (19, 10773355), (29, 7058405), (95, 2154671), (145, 1411681), (191, 1071695), (389, 526205), (551, 371495), (955, 214339), (1945, 105241), (2755, 74299), (3629, 56405), (5539, 36955), (7391, 27695), (11281, 18145)]