278864002

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1\times {\mathrm{2971}}^1$

素因数の和:3705

約数の個数: 16

約数和(自身を含む): 424972224

約数和(自身を除く): 146108222

約数列:

[1, 2, 71, 142, 661, 1322, 2971, 5942, 46931, 93862, 210941, 421882, 1963831, 3927662, 139432001, 278864002]

約数ペア:

[(1, 278864002), (2, 139432001), (71, 3927662), (142, 1963831), (661, 421882), (1322, 210941), (2971, 93862), (5942, 46931)]