28197914

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1381

約数の個数: 16

約数和(自身を含む): 43497216

約数和(自身を除く): 15299302

約数列:

[1, 2, 41, 82, 347, 694, 991, 1982, 14227, 28454, 40631, 81262, 343877, 687754, 14098957, 28197914]

約数ペア:

[(1, 28197914), (2, 14098957), (41, 687754), (82, 343877), (347, 81262), (694, 40631), (991, 28454), (1982, 14227)]