127991728

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{28879}}^1$

素因数の和:29164

約数の個数: 20

約数和(自身を含む): 248887840

約数和(自身を除く): 120896112

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 28879, 57758, 115516, 231032, 462064, 7999483, 15998966, 31997932, 63995864, 127991728]

約数ペア:

[(1, 127991728), (2, 63995864), (4, 31997932), (8, 15998966), (16, 7999483), (277, 462064), (554, 231032), (1108, 115516), (2216, 57758), (4432, 28879)]