17992715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 25945920

約数和(自身を除く): 7953205

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 857, 1105, 1235, 1615, 4199, 4285, 11141, 14569, 16283, 20995, 55705, 72845, 81415, 189397, 211679, 276811, 946985, 1058395, 1384055, 3598543, 17992715]

約数ペア:

[(1, 17992715), (5, 3598543), (13, 1384055), (17, 1058395), (19, 946985), (65, 276811), (85, 211679), (95, 189397), (221, 81415), (247, 72845), (323, 55705), (857, 20995), (1105, 16283), (1235, 14569), (1615, 11141), (4199, 4285)]