25216485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 48758784

約数和(自身を除く): 23542299

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 61, 93, 105, 127, 155, 183, 217, 305, 381, 427, 465, 635, 651, 889, 915, 1085, 1281, 1891, 1905, 2135, 2667, 3255, 3937, 4445, 5673, 6405, 7747, 9455, 11811, 13237, 13335, 19685, 23241, 27559, 28365, 38735, 39711, 54229, 59055, 66185, 82677, 116205, 137795, 162687, 198555, 240157, 271145, 413385, 720471, 813435, 1200785, 1681099, 3602355, 5043297, 8405495, 25216485]

約数ペア:

[(1, 25216485), (3, 8405495), (5, 5043297), (7, 3602355), (15, 1681099), (21, 1200785), (31, 813435), (35, 720471), (61, 413385), (93, 271145), (105, 240157), (127, 198555), (155, 162687), (183, 137795), (217, 116205), (305, 82677), (381, 66185), (427, 59055), (465, 54229), (635, 39711), (651, 38735), (889, 28365), (915, 27559), (1085, 23241), (1281, 19685), (1891, 13335), (1905, 13237), (2135, 11811), (2667, 9455), (3255, 7747), (3937, 6405), (4445, 5673)]