51720218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{15569}}^1$

素因数の和:15733

約数の個数: 16

約数和(自身を含む): 85199040

約数和(自身を除く): 33478822

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 15569, 31138, 171259, 342518, 2350919, 4701838, 25860109, 51720218]

約数ペア:

[(1, 51720218), (2, 25860109), (11, 4701838), (22, 2350919), (151, 342518), (302, 171259), (1661, 31138), (3322, 15569)]