221439746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{272039}}^1$

素因数の和:272089

約数の個数: 16

約数和(自身を含む): 372150720

約数和(自身を除く): 150710974

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 272039, 544078, 2992429, 5984858, 10065443, 20130886, 110719873, 221439746]

約数ペア:

[(1, 221439746), (2, 110719873), (11, 20130886), (22, 10065443), (37, 5984858), (74, 2992429), (407, 544078), (814, 272039)]