12511975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 19284480

約数和(自身を除く): 6772505

約数列:

[1, 5, 7, 19, 25, 35, 53, 71, 95, 133, 175, 265, 355, 371, 475, 497, 665, 1007, 1325, 1349, 1775, 1855, 2485, 3325, 3763, 5035, 6745, 7049, 9275, 9443, 12425, 18815, 25175, 26341, 33725, 35245, 47215, 71497, 94075, 131705, 176225, 236075, 357485, 500479, 658525, 1787425, 2502395, 12511975]

約数ペア:

[(1, 12511975), (5, 2502395), (7, 1787425), (19, 658525), (25, 500479), (35, 357485), (53, 236075), (71, 176225), (95, 131705), (133, 94075), (175, 71497), (265, 47215), (355, 35245), (371, 33725), (475, 26341), (497, 25175), (665, 18815), (1007, 12425), (1325, 9443), (1349, 9275), (1775, 7049), (1855, 6745), (2485, 5035), (3325, 3763)]