428128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:814

約数の個数: 24

約数和(自身を含む): 893592

約数和(自身を除く): 465464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 787, 1574, 3148, 6296, 12592, 13379, 25184, 26758, 53516, 107032, 214064, 428128]

約数ペア:

[(1, 428128), (2, 214064), (4, 107032), (8, 53516), (16, 26758), (17, 25184), (32, 13379), (34, 12592), (68, 6296), (136, 3148), (272, 1574), (544, 787)]