218981608

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{385531}}^1$

素因数の和:385608

約数の個数: 16

約数和(自身を含む): 416374560

約数和(自身を除く): 197392952

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 385531, 771062, 1542124, 3084248, 27372701, 54745402, 109490804, 218981608]

約数ペア:

[(1, 218981608), (2, 109490804), (4, 54745402), (8, 27372701), (71, 3084248), (142, 1542124), (284, 771062), (568, 385531)]