31213168

素因数分解:

$2^4\times 7^1\times {\mathrm{278689}}^1$

素因数の和:278704

約数の個数: 20

約数和(自身を含む): 69115120

約数和(自身を除く): 37901952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 278689, 557378, 1114756, 1950823, 2229512, 3901646, 4459024, 7803292, 15606584, 31213168]

約数ペア:

[(1, 31213168), (2, 15606584), (4, 7803292), (7, 4459024), (8, 3901646), (14, 2229512), (16, 1950823), (28, 1114756), (56, 557378), (112, 278689)]