331350305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20149}}^1$

素因数の和:20201

約数の個数: 32

約数和(自身を含む): 487468800

約数和(自身を除く): 156118495

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 16445, 20149, 100745, 221639, 261937, 463427, 1108195, 1309685, 2317135, 2881307, 5097697, 6024551, 14406535, 25488485, 30122755, 66270061, 331350305]

約数ペア:

[(1, 331350305), (5, 66270061), (11, 30122755), (13, 25488485), (23, 14406535), (55, 6024551), (65, 5097697), (115, 2881307), (143, 2317135), (253, 1309685), (299, 1108195), (715, 463427), (1265, 261937), (1495, 221639), (3289, 100745), (16445, 20149)]