256731267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1823}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 387330048

約数和(自身を除く): 130598781

約数列:

[1, 3, 13, 23, 39, 69, 157, 299, 471, 897, 1823, 2041, 3611, 5469, 6123, 10833, 23699, 41929, 46943, 71097, 125787, 140829, 286211, 545077, 858633, 1635231, 3720743, 6582853, 11162229, 19748559, 85577089, 256731267]

約数ペア:

[(1, 256731267), (3, 85577089), (13, 19748559), (23, 11162229), (39, 6582853), (69, 3720743), (157, 1635231), (299, 858633), (471, 545077), (897, 286211), (1823, 140829), (2041, 125787), (3611, 71097), (5469, 46943), (6123, 41929), (10833, 23699)]