64209215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 96090624

約数和(自身を除く): 31881409

約数列:

[1, 5, 7, 23, 31, 35, 83, 115, 155, 161, 217, 415, 581, 713, 805, 961, 1085, 1909, 2573, 2905, 3565, 4805, 4991, 6727, 9545, 12865, 13363, 18011, 22103, 24955, 33635, 59179, 66815, 79763, 90055, 110515, 154721, 295895, 398815, 414253, 558341, 773605, 1834549, 2071265, 2791705, 9172745, 12841843, 64209215]

約数ペア:

[(1, 64209215), (5, 12841843), (7, 9172745), (23, 2791705), (31, 2071265), (35, 1834549), (83, 773605), (115, 558341), (155, 414253), (161, 398815), (217, 295895), (415, 154721), (581, 110515), (713, 90055), (805, 79763), (961, 66815), (1085, 59179), (1909, 33635), (2573, 24955), (2905, 22103), (3565, 18011), (4805, 13363), (4991, 12865), (6727, 9545)]