651445879

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{23087}}^1$

素因数の和:23262

約数の個数: 16

約数和(自身を含む): 775756800

約数和(自身を除く): 124310921

約数列:

[1, 7, 29, 139, 203, 973, 4031, 23087, 28217, 161609, 669523, 3209093, 4686661, 22463651, 93063697, 651445879]

約数ペア:

[(1, 651445879), (7, 93063697), (29, 22463651), (139, 4686661), (203, 3209093), (973, 669523), (4031, 161609), (23087, 28217)]