61718525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 88387200

約数和(自身を除く): 26668675

約数列:

[1, 5, 11, 25, 29, 55, 71, 109, 145, 275, 319, 355, 545, 725, 781, 1199, 1595, 1775, 2059, 2725, 3161, 3905, 5995, 7739, 7975, 10295, 15805, 19525, 22649, 29975, 34771, 38695, 51475, 79025, 85129, 113245, 173855, 193475, 224431, 425645, 566225, 869275, 1122155, 2128225, 2468741, 5610775, 12343705, 61718525]

約数ペア:

[(1, 61718525), (5, 12343705), (11, 5610775), (25, 2468741), (29, 2128225), (55, 1122155), (71, 869275), (109, 566225), (145, 425645), (275, 224431), (319, 193475), (355, 173855), (545, 113245), (725, 85129), (781, 79025), (1199, 51475), (1595, 38695), (1775, 34771), (2059, 29975), (2725, 22649), (3161, 19525), (3905, 15805), (5995, 10295), (7739, 7975)]