87891428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 169054704

約数和(自身を除く): 81163276

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 181, 193, 362, 386, 629, 724, 772, 1258, 2516, 3077, 3281, 6154, 6562, 6697, 7141, 12308, 13124, 13394, 14282, 26788, 28564, 34933, 69866, 113849, 121397, 139732, 227698, 242794, 455396, 485588, 593861, 1187722, 1292521, 2375444, 2585042, 5170084, 21972857, 43945714, 87891428]

約数ペア:

[(1, 87891428), (2, 43945714), (4, 21972857), (17, 5170084), (34, 2585042), (37, 2375444), (68, 1292521), (74, 1187722), (148, 593861), (181, 485588), (193, 455396), (362, 242794), (386, 227698), (629, 139732), (724, 121397), (772, 113849), (1258, 69866), (2516, 34933), (3077, 28564), (3281, 26788), (6154, 14282), (6562, 13394), (6697, 13124), (7141, 12308)]