156968022968

素因数分解:

$2^3\times {\mathrm{997}}^1\times {\mathrm{19680043}}^1$

素因数の和:19681046

約数の個数: 16

約数和(自身を含む): 294610258680

約数和(自身を除く): 137642235712

約数列:

[1, 2, 4, 8, 997, 1994, 3988, 7976, 19680043, 39360086, 78720172, 157440344, 19621002871, 39242005742, 78484011484, 156968022968]

約数ペア:

[(1, 156968022968), (2, 78484011484), (4, 39242005742), (8, 19621002871), (997, 157440344), (1994, 78720172), (3988, 39360086), (7976, 19680043)]