639897384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{3808913}}^1$

素因数の和:3808929

約数の個数: 32

約数和(自身を含む): 1828278720

約数和(自身を除く): 1188381336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 3808913, 7617826, 11426739, 15235652, 22853478, 26662391, 30471304, 45706956, 53324782, 79987173, 91413912, 106649564, 159974346, 213299128, 319948692, 639897384]

約数ペア:

[(1, 639897384), (2, 319948692), (3, 213299128), (4, 159974346), (6, 106649564), (7, 91413912), (8, 79987173), (12, 53324782), (14, 45706956), (21, 30471304), (24, 26662391), (28, 22853478), (42, 15235652), (56, 11426739), (84, 7617826), (168, 3808913)]