28601990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{168247}}^1$

素因数の和:168271

約数の個数: 16

約数和(自身を含む): 54512352

約数和(自身を除く): 25910362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 168247, 336494, 841235, 1682470, 2860199, 5720398, 14300995, 28601990]

約数ペア:

[(1, 28601990), (2, 14300995), (5, 5720398), (10, 2860199), (17, 1682470), (34, 841235), (85, 336494), (170, 168247)]