213476725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 337835520

約数和(自身を除く): 124358795

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 385, 473, 1075, 1505, 1925, 2365, 2579, 3311, 7525, 11825, 12895, 16555, 18053, 28369, 64475, 82775, 90265, 110897, 141845, 198583, 451325, 554485, 709225, 776279, 992915, 1219867, 2772425, 3881395, 4964575, 6099335, 8539069, 19406975, 30496675, 42695345, 213476725]

約数ペア:

[(1, 213476725), (5, 42695345), (7, 30496675), (11, 19406975), (25, 8539069), (35, 6099335), (43, 4964575), (55, 3881395), (77, 2772425), (175, 1219867), (215, 992915), (275, 776279), (301, 709225), (385, 554485), (473, 451325), (1075, 198583), (1505, 141845), (1925, 110897), (2365, 90265), (2579, 82775), (3311, 64475), (7525, 28369), (11825, 18053), (12895, 16555)]