27921886

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{6343}}^1$

素因数の和:6447

約数の個数: 16

約数和(自身を含む): 43849728

約数和(自身を除く): 15927842

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 6343, 12686, 196633, 393266, 450353, 900706, 13960943, 27921886]

約数ペア:

[(1, 27921886), (2, 13960943), (31, 900706), (62, 450353), (71, 393266), (142, 196633), (2201, 12686), (4402, 6343)]