128666438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{14389}}^1$

素因数の和:14671

約数の個数: 16

約数和(自身を含む): 205143840

約数和(自身を除く): 76477402

約数列:

[1, 2, 17, 34, 263, 526, 4471, 8942, 14389, 28778, 244613, 489226, 3784307, 7568614, 64333219, 128666438]

約数ペア:

[(1, 128666438), (2, 64333219), (17, 7568614), (34, 3784307), (263, 489226), (526, 244613), (4471, 28778), (8942, 14389)]