28019570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{164821}}^1$

素因数の和:164845

約数の個数: 16

約数和(自身を含む): 53402328

約数和(自身を除く): 25382758

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 164821, 329642, 824105, 1648210, 2801957, 5603914, 14009785, 28019570]

約数ペア:

[(1, 28019570), (2, 14009785), (5, 5603914), (10, 2801957), (17, 1648210), (34, 824105), (85, 329642), (170, 164821)]