391427234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{18211}}^1$

素因数の和:19201

約数の個数: 16

約数和(自身を含む): 641208096

約数和(自身を除く): 249780862

約数列:

[1, 2, 11, 22, 977, 1954, 10747, 18211, 21494, 36422, 200321, 400642, 17792147, 35584294, 195713617, 391427234]

約数ペア:

[(1, 391427234), (2, 195713617), (11, 35584294), (22, 17792147), (977, 400642), (1954, 200321), (10747, 36422), (18211, 21494)]