13705175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 20296320

約数和(自身を除く): 6591145

約数列:

[1, 5, 11, 19, 25, 43, 55, 61, 95, 209, 215, 275, 305, 473, 475, 671, 817, 1045, 1075, 1159, 1525, 2365, 2623, 3355, 4085, 5225, 5795, 8987, 11825, 12749, 13115, 16775, 20425, 28853, 28975, 44935, 49837, 63745, 65575, 144265, 224675, 249185, 318725, 548207, 721325, 1245925, 2741035, 13705175]

約数ペア:

[(1, 13705175), (5, 2741035), (11, 1245925), (19, 721325), (25, 548207), (43, 318725), (55, 249185), (61, 224675), (95, 144265), (209, 65575), (215, 63745), (275, 49837), (305, 44935), (473, 28975), (475, 28853), (671, 20425), (817, 16775), (1045, 13115), (1075, 12749), (1159, 11825), (1525, 8987), (2365, 5795), (2623, 5225), (3355, 4085)]