209212795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223757}}^1$

素因数の和:223790

約数の個数: 16

約数和(自身を含む): 289990368

約数和(自身を除く): 80777573

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 223757, 1118785, 2461327, 3803869, 12306635, 19019345, 41842559, 209212795]

約数ペア:

[(1, 209212795), (5, 41842559), (11, 19019345), (17, 12306635), (55, 3803869), (85, 2461327), (187, 1118785), (935, 223757)]