1258978045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{624803}}^1$

素因数の和:624852

約数の個数: 16

約数和(自身を含む): 1679473152

約数和(自身を除く): 420495107

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 624803, 3124015, 8122439, 19368893, 40612195, 96844465, 251795609, 1258978045]

約数ペア:

[(1, 1258978045), (5, 251795609), (13, 96844465), (31, 40612195), (65, 19368893), (155, 8122439), (403, 3124015), (2015, 624803)]