212873005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 269660160

約数和(自身を除く): 56787155

約数列:

[1, 5, 43, 79, 83, 151, 215, 395, 415, 755, 3397, 3569, 6493, 6557, 11929, 12533, 16985, 17845, 32465, 32785, 59645, 62665, 281951, 512947, 538919, 990107, 1409755, 2564735, 2694595, 4950535, 42574601, 212873005]

約数ペア:

[(1, 212873005), (5, 42574601), (43, 4950535), (79, 2694595), (83, 2564735), (151, 1409755), (215, 990107), (395, 538919), (415, 512947), (755, 281951), (3397, 62665), (3569, 59645), (6493, 32785), (6557, 32465), (11929, 17845), (12533, 16985)]