65368075

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{7243}}^1$

素因数の和:7291

約数の個数: 18

約数和(自身を含む): 85558884

約数和(自身を除く): 20190809

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 7243, 9025, 36215, 137617, 181075, 688085, 2614723, 3440425, 13073615, 65368075]

約数ペア:

[(1, 65368075), (5, 13073615), (19, 3440425), (25, 2614723), (95, 688085), (361, 181075), (475, 137617), (1805, 36215), (7243, 9025)]