1285880255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{2417}}^1$

素因数の和:3019

約数の個数: 32

約数和(自身を含む): 1786224960

約数和(自身を除く): 500344705

約数列:

[1, 5, 11, 17, 55, 85, 187, 569, 935, 2417, 2845, 6259, 9673, 12085, 26587, 31295, 41089, 48365, 106403, 132935, 205445, 451979, 532015, 1375273, 2259895, 6876365, 15128003, 23379641, 75640015, 116898205, 257176051, 1285880255]

約数ペア:

[(1, 1285880255), (5, 257176051), (11, 116898205), (17, 75640015), (55, 23379641), (85, 15128003), (187, 6876365), (569, 2259895), (935, 1375273), (2417, 532015), (2845, 451979), (6259, 205445), (9673, 132935), (12085, 106403), (26587, 48365), (31295, 41089)]