258709213

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{9749}}^1$

素因数の和:9996

約数の個数: 16

約数和(自身を含む): 314496000

約数和(自身を除く): 55786787

約数列:

[1, 7, 17, 119, 223, 1561, 3791, 9749, 26537, 68243, 165733, 1160131, 2174027, 15218189, 36958459, 258709213]

約数ペア:

[(1, 258709213), (7, 36958459), (17, 15218189), (119, 2174027), (223, 1160131), (1561, 165733), (3791, 68243), (9749, 26537)]