128587564

素因数分解:

$2^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{2137}}^1$

素因数の和:2462

約数の個数: 36

約数和(自身を含む): 262743096

約数和(自身を除く): 134155532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 307, 614, 1228, 2137, 2149, 4274, 4298, 8548, 8596, 14959, 15043, 29918, 30086, 59836, 60172, 104713, 209426, 418852, 656059, 1312118, 2624236, 4592413, 9184826, 18369652, 32146891, 64293782, 128587564]

約数ペア:

[(1, 128587564), (2, 64293782), (4, 32146891), (7, 18369652), (14, 9184826), (28, 4592413), (49, 2624236), (98, 1312118), (196, 656059), (307, 418852), (614, 209426), (1228, 104713), (2137, 60172), (2149, 59836), (4274, 30086), (4298, 29918), (8548, 15043), (8596, 14959)]