218921378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227569}}^1$

素因数の和:227621

約数の個数: 16

約数和(自身を含む): 363201720

約数和(自身を除く): 144280342

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 227569, 455138, 2958397, 5916794, 8420053, 16840106, 109460689, 218921378]

約数ペア:

[(1, 218921378), (2, 109460689), (13, 16840106), (26, 8420053), (37, 5916794), (74, 2958397), (481, 455138), (962, 227569)]