313857215

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1949}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 444787200

約数和(自身を除く): 130929985

約数列:

[1, 5, 7, 35, 43, 107, 215, 301, 535, 749, 1505, 1949, 3745, 4601, 9745, 13643, 23005, 32207, 68215, 83807, 161035, 208543, 419035, 586649, 1042715, 1459801, 2933245, 7299005, 8967349, 44836745, 62771443, 313857215]

約数ペア:

[(1, 313857215), (5, 62771443), (7, 44836745), (35, 8967349), (43, 7299005), (107, 2933245), (215, 1459801), (301, 1042715), (535, 586649), (749, 419035), (1505, 208543), (1949, 161035), (3745, 83807), (4601, 68215), (9745, 32207), (13643, 23005)]