257603896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{17959}}^1$

素因数の和:18139

約数の個数: 32

約数和(自身を含む): 530179200

約数和(自身を除く): 272575304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1793, 3586, 7172, 14344, 17959, 35918, 71836, 143672, 197549, 395098, 790196, 1580392, 2927317, 5854634, 11709268, 23418536, 32200487, 64400974, 128801948, 257603896]

約数ペア:

[(1, 257603896), (2, 128801948), (4, 64400974), (8, 32200487), (11, 23418536), (22, 11709268), (44, 5854634), (88, 2927317), (163, 1580392), (326, 790196), (652, 395098), (1304, 197549), (1793, 143672), (3586, 71836), (7172, 35918), (14344, 17959)]