129793538

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7681}}^1$

素因数の和:7778

約数の個数: 32

約数和(自身を含む): 238940928

約数和(自身を除く): 109147390

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 2414, 7681, 8449, 15362, 16898, 53767, 107534, 130577, 261154, 545351, 914039, 1090702, 1828078, 3817457, 7634914, 9270967, 18541934, 64896769, 129793538]

約数ペア:

[(1, 129793538), (2, 64896769), (7, 18541934), (14, 9270967), (17, 7634914), (34, 3817457), (71, 1828078), (119, 1090702), (142, 914039), (238, 545351), (497, 261154), (994, 130577), (1207, 107534), (2414, 53767), (7681, 16898), (8449, 15362)]