209123035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 291631104

約数和(自身を除く): 82508069

約数列:

[1, 5, 11, 17, 55, 85, 187, 191, 935, 955, 1171, 2101, 3247, 5855, 10505, 12881, 16235, 19907, 35717, 64405, 99535, 178585, 218977, 223661, 1094885, 1118305, 2460271, 3802237, 12301355, 19011185, 41824607, 209123035]

約数ペア:

[(1, 209123035), (5, 41824607), (11, 19011185), (17, 12301355), (55, 3802237), (85, 2460271), (187, 1118305), (191, 1094885), (935, 223661), (955, 218977), (1171, 178585), (2101, 99535), (3247, 64405), (5855, 35717), (10505, 19907), (12881, 16235)]