218974792

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{385519}}^1$

素因数の和:385596

約数の個数: 16

約数和(自身を含む): 416361600

約数和(自身を除く): 197386808

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 385519, 771038, 1542076, 3084152, 27371849, 54743698, 109487396, 218974792]

約数ペア:

[(1, 218974792), (2, 109487396), (4, 54743698), (8, 27371849), (71, 3084152), (142, 1542076), (284, 771038), (568, 385519)]