1220173345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{225749}}^1$

素因数の和:225824

約数の個数: 16

約数和(自身を含む): 1560384000

約数和(自身を除く): 340210655

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 225749, 1128745, 5192227, 10610203, 25961135, 53051015, 244034669, 1220173345]

約数ペア:

[(1, 1220173345), (5, 244034669), (23, 53051015), (47, 25961135), (115, 10610203), (235, 5192227), (1081, 1128745), (5405, 225749)]