169228420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{64591}}^1$

素因数の和:64731

約数の個数: 24

約数和(自身を含む): 358098048

約数和(自身を除く): 188869628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 64591, 129182, 258364, 322955, 645910, 1291820, 8461421, 16922842, 33845684, 42307105, 84614210, 169228420]

約数ペア:

[(1, 169228420), (2, 84614210), (4, 42307105), (5, 33845684), (10, 16922842), (20, 8461421), (131, 1291820), (262, 645910), (524, 322955), (655, 258364), (1310, 129182), (2620, 64591)]