207902513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 265155072

約数和(自身を除く): 57252559

約数列:

[1, 7, 13, 41, 91, 103, 287, 533, 541, 721, 1339, 3731, 3787, 4223, 7033, 9373, 22181, 29561, 49231, 54899, 55723, 155267, 288353, 384293, 390061, 724399, 2018471, 2284643, 5070793, 15992501, 29700359, 207902513]

約数ペア:

[(1, 207902513), (7, 29700359), (13, 15992501), (41, 5070793), (91, 2284643), (103, 2018471), (287, 724399), (533, 390061), (541, 384293), (721, 288353), (1339, 155267), (3731, 55723), (3787, 54899), (4223, 49231), (7033, 29561), (9373, 22181)]