209340725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 289689792

約数和(自身を除く): 80349067

約数列:

[1, 5, 11, 25, 53, 55, 265, 271, 275, 583, 1325, 1355, 2809, 2915, 2981, 6775, 14045, 14363, 14575, 14905, 30899, 70225, 71815, 74525, 154495, 157993, 359075, 761239, 772475, 789965, 3806195, 3949825, 8373629, 19030975, 41868145, 209340725]

約数ペア:

[(1, 209340725), (5, 41868145), (11, 19030975), (25, 8373629), (53, 3949825), (55, 3806195), (265, 789965), (271, 772475), (275, 761239), (583, 359075), (1325, 157993), (1355, 154495), (2809, 74525), (2915, 71815), (2981, 70225), (6775, 30899), (14045, 14905), (14363, 14575)]