389985694

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1\times {\mathrm{1097}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 680935680

約数和(自身を除く): 290949986

約数列:

[1, 2, 7, 14, 67, 134, 379, 469, 758, 938, 1097, 2194, 2653, 5306, 7679, 15358, 25393, 50786, 73499, 146998, 177751, 355502, 415763, 514493, 831526, 1028986, 2910341, 5820682, 27856121, 55712242, 194992847, 389985694]

約数ペア:

[(1, 389985694), (2, 194992847), (7, 55712242), (14, 27856121), (67, 5820682), (134, 2910341), (379, 1028986), (469, 831526), (758, 514493), (938, 415763), (1097, 355502), (2194, 177751), (2653, 146998), (5306, 73499), (7679, 50786), (15358, 25393)]