25781198

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 39428304

約数和(自身を除く): 13647106

約数列:

[1, 2, 67, 134, 421, 457, 842, 914, 28207, 30619, 56414, 61238, 192397, 384794, 12890599, 25781198]

約数ペア:

[(1, 25781198), (2, 12890599), (67, 384794), (134, 192397), (421, 61238), (457, 56414), (842, 30619), (914, 28207)]