25728534

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2621

約数の個数: 48

約数和(自身を含む): 61453392

約数和(自身を除く): 35724858

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2557, 3354, 5031, 5114, 7671, 10062, 15342, 23013, 33241, 46026, 66482, 99723, 109951, 199446, 219902, 299169, 329853, 598338, 659706, 989559, 1429363, 1979118, 2858726, 4288089, 8576178, 12864267, 25728534]

約数ペア:

[(1, 25728534), (2, 12864267), (3, 8576178), (6, 4288089), (9, 2858726), (13, 1979118), (18, 1429363), (26, 989559), (39, 659706), (43, 598338), (78, 329853), (86, 299169), (117, 219902), (129, 199446), (234, 109951), (258, 99723), (387, 66482), (559, 46026), (774, 33241), (1118, 23013), (1677, 15342), (2557, 10062), (3354, 7671), (5031, 5114)]