28287404

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 50450400

約数和(自身を除く): 22162996

約数列:

[1, 2, 4, 89, 178, 181, 356, 362, 439, 724, 878, 1756, 16109, 32218, 39071, 64436, 78142, 79459, 156284, 158918, 317836, 7071851, 14143702, 28287404]

約数ペア:

[(1, 28287404), (2, 14143702), (4, 7071851), (89, 317836), (178, 158918), (181, 156284), (356, 79459), (362, 78142), (439, 64436), (724, 39071), (878, 32218), (1756, 16109)]