28371994

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{13421}}^1$

素因数の和:13581

約数の個数: 16

約数和(自身を含む): 48963456

約数和(自身を除く): 20591462

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 13421, 26842, 93947, 187894, 2026571, 4053142, 14185997, 28371994]

約数ペア:

[(1, 28371994), (2, 14185997), (7, 4053142), (14, 2026571), (151, 187894), (302, 93947), (1057, 26842), (2114, 13421)]