28697708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8237}}^1$

素因数の和:8321

約数の個数: 24

約数和(自身を含む): 54898032

約数和(自身を除く): 26200324

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 8237, 16474, 32948, 107081, 214162, 428324, 551879, 1103758, 2207516, 7174427, 14348854, 28697708]

約数ペア:

[(1, 28697708), (2, 14348854), (4, 7174427), (13, 2207516), (26, 1103758), (52, 551879), (67, 428324), (134, 214162), (268, 107081), (871, 32948), (1742, 16474), (3484, 8237)]