641330368

素因数分解:

$2^6\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4663}}^1$

素因数の和:4989

約数の個数: 56

約数和(自身を含む): 1459496192

約数和(自身を除く): 818165824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 307, 448, 614, 1228, 2149, 2456, 4298, 4663, 4912, 8596, 9326, 9824, 17192, 18652, 19648, 32641, 34384, 37304, 65282, 68768, 74608, 130564, 137536, 149216, 261128, 298432, 522256, 1044512, 1431541, 2089024, 2863082, 5726164, 10020787, 11452328, 20041574, 22904656, 40083148, 45809312, 80166296, 91618624, 160332592, 320665184, 641330368]

約数ペア:

[(1, 641330368), (2, 320665184), (4, 160332592), (7, 91618624), (8, 80166296), (14, 45809312), (16, 40083148), (28, 22904656), (32, 20041574), (56, 11452328), (64, 10020787), (112, 5726164), (224, 2863082), (307, 2089024), (448, 1431541), (614, 1044512), (1228, 522256), (2149, 298432), (2456, 261128), (4298, 149216), (4663, 137536), (4912, 130564), (8596, 74608), (9326, 68768), (9824, 65282), (17192, 37304), (18652, 34384), (19648, 32641)]