28170190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{165707}}^1$

素因数の和:165731

約数の個数: 16

約数和(自身を含む): 53689392

約数和(自身を除く): 25519202

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 165707, 331414, 828535, 1657070, 2817019, 5634038, 14085095, 28170190]

約数ペア:

[(1, 28170190), (2, 14085095), (5, 5634038), (10, 2817019), (17, 1657070), (34, 828535), (85, 331414), (170, 165707)]