25212495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 25881009

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 83, 105, 165, 231, 249, 263, 385, 415, 581, 789, 913, 1155, 1245, 1315, 1743, 1841, 2739, 2893, 2905, 3945, 4565, 5523, 6391, 8679, 8715, 9205, 13695, 14465, 19173, 20251, 21829, 27615, 31955, 43395, 60753, 65487, 95865, 101255, 109145, 152803, 240119, 303765, 327435, 458409, 720357, 764015, 1200595, 1680833, 2292045, 3601785, 5042499, 8404165, 25212495]

約数ペア:

[(1, 25212495), (3, 8404165), (5, 5042499), (7, 3601785), (11, 2292045), (15, 1680833), (21, 1200595), (33, 764015), (35, 720357), (55, 458409), (77, 327435), (83, 303765), (105, 240119), (165, 152803), (231, 109145), (249, 101255), (263, 95865), (385, 65487), (415, 60753), (581, 43395), (789, 31955), (913, 27615), (1155, 21829), (1245, 20251), (1315, 19173), (1743, 14465), (1841, 13695), (2739, 9205), (2893, 8715), (2905, 8679), (3945, 6391), (4565, 5523)]