7891345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 11980800

約数和(自身を除く): 4089455

約数列:

[1, 5, 7, 11, 35, 55, 77, 103, 199, 385, 515, 721, 995, 1133, 1393, 2189, 3605, 5665, 6965, 7931, 10945, 15323, 20497, 39655, 76615, 102485, 143479, 225467, 717395, 1127335, 1578269, 7891345]

約数ペア:

[(1, 7891345), (5, 1578269), (7, 1127335), (11, 717395), (35, 225467), (55, 143479), (77, 102485), (103, 76615), (199, 39655), (385, 20497), (515, 15323), (721, 10945), (995, 7931), (1133, 6965), (1393, 5665), (2189, 3605)]