199623571

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{977}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 245000736

約数和(自身を除く): 45377165

約数列:

[1, 7, 17, 101, 119, 289, 707, 977, 1717, 2023, 6839, 12019, 16609, 29189, 98677, 116263, 204323, 282353, 690739, 1677509, 1976471, 11742563, 28517653, 199623571]

約数ペア:

[(1, 199623571), (7, 28517653), (17, 11742563), (101, 1976471), (119, 1677509), (289, 690739), (707, 282353), (977, 204323), (1717, 116263), (2023, 98677), (6839, 29189), (12019, 16609)]