208487965

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 291373056

約数和(自身を除く): 82885091

約数列:

[1, 5, 7, 35, 103, 151, 383, 515, 721, 755, 1057, 1915, 2681, 3605, 5285, 13405, 15553, 39449, 57833, 77765, 108871, 197245, 276143, 289165, 404831, 544355, 1380715, 2024155, 5956799, 29783995, 41697593, 208487965]

約数ペア:

[(1, 208487965), (5, 41697593), (7, 29783995), (35, 5956799), (103, 2024155), (151, 1380715), (383, 544355), (515, 404831), (721, 289165), (755, 276143), (1057, 197245), (1915, 108871), (2681, 77765), (3605, 57833), (5285, 39449), (13405, 15553)]