209500571

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 260029440

約数和(自身を除く): 50528869

約数列:

[1, 7, 17, 89, 119, 131, 151, 623, 917, 1057, 1513, 2227, 2567, 10591, 11659, 13439, 15589, 17969, 19781, 81613, 94073, 138467, 198203, 228463, 336277, 1387421, 1599241, 1760509, 2353939, 12323563, 29928653, 209500571]

約数ペア:

[(1, 209500571), (7, 29928653), (17, 12323563), (89, 2353939), (119, 1760509), (131, 1599241), (151, 1387421), (623, 336277), (917, 228463), (1057, 198203), (1513, 138467), (2227, 94073), (2567, 81613), (10591, 19781), (11659, 17969), (13439, 15589)]