25259612

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 53663232

約数和(自身を除く): 28403620

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 643, 644, 854, 1286, 1403, 1708, 2572, 2806, 4501, 5612, 9002, 9821, 14789, 18004, 19642, 29578, 39223, 39284, 59156, 78446, 103523, 156892, 207046, 274561, 414092, 549122, 902129, 1098244, 1804258, 3608516, 6314903, 12629806, 25259612]

約数ペア:

[(1, 25259612), (2, 12629806), (4, 6314903), (7, 3608516), (14, 1804258), (23, 1098244), (28, 902129), (46, 549122), (61, 414092), (92, 274561), (122, 207046), (161, 156892), (244, 103523), (322, 78446), (427, 59156), (643, 39284), (644, 39223), (854, 29578), (1286, 19642), (1403, 18004), (1708, 14789), (2572, 9821), (2806, 9002), (4501, 5612)]