2199428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 4953984

約数和(自身を除く): 2754556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 193, 259, 308, 386, 407, 518, 772, 814, 1036, 1351, 1628, 2123, 2702, 2849, 4246, 5404, 5698, 7141, 8492, 11396, 14282, 14861, 28564, 29722, 49987, 59444, 78551, 99974, 157102, 199948, 314204, 549857, 1099714, 2199428]

約数ペア:

[(1, 2199428), (2, 1099714), (4, 549857), (7, 314204), (11, 199948), (14, 157102), (22, 99974), (28, 78551), (37, 59444), (44, 49987), (74, 29722), (77, 28564), (148, 14861), (154, 14282), (193, 11396), (259, 8492), (308, 7141), (386, 5698), (407, 5404), (518, 4246), (772, 2849), (814, 2702), (1036, 2123), (1351, 1628)]