621297196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 1207360000

約数和(自身を除く): 586062804

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 139, 172, 278, 556, 559, 1118, 1807, 1999, 2236, 3614, 3998, 5977, 7228, 7996, 11954, 23908, 25987, 51974, 77701, 85957, 103948, 155402, 171914, 277861, 310804, 343828, 555722, 1111444, 1117441, 2234882, 3612193, 4469764, 7224386, 11948023, 14448772, 23896046, 47792092, 155324299, 310648598, 621297196]

約数ペア:

[(1, 621297196), (2, 310648598), (4, 155324299), (13, 47792092), (26, 23896046), (43, 14448772), (52, 11948023), (86, 7224386), (139, 4469764), (172, 3612193), (278, 2234882), (556, 1117441), (559, 1111444), (1118, 555722), (1807, 343828), (1999, 310804), (2236, 277861), (3614, 171914), (3998, 155402), (5977, 103948), (7228, 85957), (7996, 77701), (11954, 51974), (23908, 25987)]