71920589

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 80478720

約数和(自身を除く): 8558131

約数列:

[1, 13, 31, 179, 403, 997, 2327, 5549, 12961, 30907, 72137, 178463, 401791, 2320019, 5532353, 71920589]

約数ペア:

[(1, 71920589), (13, 5532353), (31, 2320019), (179, 401791), (403, 178463), (997, 72137), (2327, 30907), (5549, 12961)]