263380981

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1\times {\mathrm{541}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 280660608

約数和(自身を除く): 17279627

約数列:

[1, 23, 61, 347, 541, 1403, 7981, 12443, 21167, 33001, 187727, 486841, 759023, 4317721, 11451347, 263380981]

約数ペア:

[(1, 263380981), (23, 11451347), (61, 4317721), (347, 759023), (541, 486841), (1403, 187727), (7981, 33001), (12443, 21167)]