218345830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{507781}}^1$

素因数の和:507831

約数の個数: 16

約数和(自身を含む): 402163344

約数和(自身を除く): 183817514

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 507781, 1015562, 2538905, 5077810, 21834583, 43669166, 109172915, 218345830]

約数ペア:

[(1, 218345830), (2, 109172915), (5, 43669166), (10, 21834583), (43, 5077810), (86, 2538905), (215, 1015562), (430, 507781)]