89688688

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{51427}}^1$

素因数の和:51544

約数の個数: 20

約数和(自身を含む): 175369480

約数和(自身を除く): 85680792

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 51427, 102854, 205708, 411416, 822832, 5605543, 11211086, 22422172, 44844344, 89688688]

約数ペア:

[(1, 89688688), (2, 44844344), (4, 22422172), (8, 11211086), (16, 5605543), (109, 822832), (218, 411416), (436, 205708), (872, 102854), (1744, 51427)]