25805286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 64233000

約数和(自身を除く): 38427714

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 169, 221, 234, 306, 338, 442, 499, 507, 663, 998, 1014, 1326, 1497, 1521, 1989, 2873, 2994, 3042, 3978, 4491, 5746, 6487, 8483, 8619, 8982, 12974, 16966, 17238, 19461, 25449, 25857, 38922, 50898, 51714, 58383, 76347, 84331, 110279, 116766, 152694, 168662, 220558, 252993, 330837, 505986, 661674, 758979, 992511, 1433627, 1517958, 1985022, 2867254, 4300881, 8601762, 12902643, 25805286]

約数ペア:

[(1, 25805286), (2, 12902643), (3, 8601762), (6, 4300881), (9, 2867254), (13, 1985022), (17, 1517958), (18, 1433627), (26, 992511), (34, 758979), (39, 661674), (51, 505986), (78, 330837), (102, 252993), (117, 220558), (153, 168662), (169, 152694), (221, 116766), (234, 110279), (306, 84331), (338, 76347), (442, 58383), (499, 51714), (507, 50898), (663, 38922), (998, 25857), (1014, 25449), (1326, 19461), (1497, 17238), (1521, 16966), (1989, 12974), (2873, 8982), (2994, 8619), (3042, 8483), (3978, 6487), (4491, 5746)]