219655828

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{4327}}^1$

素因数の和:4389

約数の個数: 48

約数和(自身を含む): 460499200

約数和(自身を除く): 240843372

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1813, 3626, 4327, 7252, 8654, 12691, 17308, 25382, 30289, 50764, 60578, 121156, 160099, 212023, 320198, 424046, 640396, 848092, 1120693, 1484161, 2241386, 2968322, 4482772, 5936644, 7844851, 15689702, 31379404, 54913957, 109827914, 219655828]

約数ペア:

[(1, 219655828), (2, 109827914), (4, 54913957), (7, 31379404), (14, 15689702), (28, 7844851), (37, 5936644), (49, 4482772), (74, 2968322), (98, 2241386), (148, 1484161), (196, 1120693), (259, 848092), (343, 640396), (518, 424046), (686, 320198), (1036, 212023), (1372, 160099), (1813, 121156), (3626, 60578), (4327, 50764), (7252, 30289), (8654, 25382), (12691, 17308)]