156909416

素因数分解:

$2^3\times {\mathrm{1987}}^1\times {\mathrm{9871}}^1$

素因数の和:11864

約数の個数: 16

約数和(自身を含む): 294383040

約数和(自身を除く): 137473624

約数列:

[1, 2, 4, 8, 1987, 3974, 7948, 9871, 15896, 19742, 39484, 78968, 19613677, 39227354, 78454708, 156909416]

約数ペア:

[(1, 156909416), (2, 78454708), (4, 39227354), (8, 19613677), (1987, 78968), (3974, 39484), (7948, 19742), (9871, 15896)]