31987228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87877}}^1$

素因数の和:87901

約数の個数: 24

約数和(自身を含む): 68896352

約数和(自身を除く): 36909124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 87877, 175754, 351508, 615139, 1142401, 1230278, 2284802, 2460556, 4569604, 7996807, 15993614, 31987228]

約数ペア:

[(1, 31987228), (2, 15993614), (4, 7996807), (7, 4569604), (13, 2460556), (14, 2284802), (26, 1230278), (28, 1142401), (52, 615139), (91, 351508), (182, 175754), (364, 87877)]