399883918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{34961}}^1$

素因数の和:35032

約数の個数: 32

約数和(自身を含む): 738397440

約数和(自身を除く): 338513522

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 5719, 11438, 34961, 69922, 244727, 489454, 664259, 1328518, 1503323, 3006646, 4649813, 9299626, 10523261, 21046522, 28563137, 57126274, 199941959, 399883918]

約数ペア:

[(1, 399883918), (2, 199941959), (7, 57126274), (14, 28563137), (19, 21046522), (38, 10523261), (43, 9299626), (86, 4649813), (133, 3006646), (266, 1503323), (301, 1328518), (602, 664259), (817, 489454), (1634, 244727), (5719, 69922), (11438, 34961)]