31019704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2293}}^1$

素因数の和:2407

約数の個数: 32

約数和(自身を含む): 61938000

約数和(自身を除く): 30918296

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 2293, 3382, 4586, 6764, 9172, 13528, 18344, 43567, 87134, 174268, 204077, 348536, 408154, 816308, 1632616, 3877463, 7754926, 15509852, 31019704]

約数ペア:

[(1, 31019704), (2, 15509852), (4, 7754926), (8, 3877463), (19, 1632616), (38, 816308), (76, 408154), (89, 348536), (152, 204077), (178, 174268), (356, 87134), (712, 43567), (1691, 18344), (2293, 13528), (3382, 9172), (4586, 6764)]