81047048

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{128239}}^1$

素因数の和:128324

約数の個数: 16

約数和(自身を含む): 153888000

約数和(自身を除く): 72840952

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 128239, 256478, 512956, 1025912, 10130881, 20261762, 40523524, 81047048]

約数ペア:

[(1, 81047048), (2, 40523524), (4, 20261762), (8, 10130881), (79, 1025912), (158, 512956), (316, 256478), (632, 128239)]