128212502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{14249}}^1$

素因数の和:14671

約数の個数: 16

約数和(自身を含む): 210330000

約数和(自身を除く): 82117498

約数列:

[1, 2, 11, 22, 409, 818, 4499, 8998, 14249, 28498, 156739, 313478, 5827841, 11655682, 64106251, 128212502]

約数ペア:

[(1, 128212502), (2, 64106251), (11, 11655682), (22, 5827841), (409, 313478), (818, 156739), (4499, 28498), (8998, 14249)]