128644270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{883}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 245744928

約数和(自身を除く): 117100658

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 857, 883, 1714, 1766, 4285, 4415, 8570, 8830, 14569, 15011, 29138, 30022, 72845, 75055, 145690, 150110, 756731, 1513462, 3783655, 7567310, 12864427, 25728854, 64322135, 128644270]

約数ペア:

[(1, 128644270), (2, 64322135), (5, 25728854), (10, 12864427), (17, 7567310), (34, 3783655), (85, 1513462), (170, 756731), (857, 150110), (883, 145690), (1714, 75055), (1766, 72845), (4285, 30022), (4415, 29138), (8570, 15011), (8830, 14569)]