219902207

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{2741}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 256475712

約数和(自身を除く): 36573505

約数列:

[1, 7, 73, 157, 511, 1099, 2741, 11461, 19187, 80227, 200093, 430337, 1400651, 3012359, 31414601, 219902207]

約数ペア:

[(1, 219902207), (7, 31414601), (73, 3012359), (157, 1400651), (511, 430337), (1099, 200093), (2741, 80227), (11461, 19187)]