72980509

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 85034880

約数和(自身を除く): 12054371

約数列:

[1, 7, 73, 251, 511, 569, 1757, 3983, 18323, 41537, 128261, 142819, 290759, 999733, 10425787, 72980509]

約数ペア:

[(1, 72980509), (7, 10425787), (73, 999733), (251, 290759), (511, 142819), (569, 128261), (1757, 41537), (3983, 18323)]