28851664

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{20261}}^1$

素因数の和:20358

約数の個数: 20

約数和(自身を含む): 56530980

約数和(自身を除く): 27679316

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 20261, 40522, 81044, 162088, 324176, 1803229, 3606458, 7212916, 14425832, 28851664]

約数ペア:

[(1, 28851664), (2, 14425832), (4, 7212916), (8, 3606458), (16, 1803229), (89, 324176), (178, 162088), (356, 81044), (712, 40522), (1424, 20261)]