128607745

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 185084928

約数和(自身を除く): 56477183

約数列:

[1, 5, 7, 35, 37, 47, 185, 235, 259, 329, 1295, 1645, 1739, 2113, 8695, 10565, 12173, 14791, 60865, 73955, 78181, 99311, 390905, 496555, 547267, 695177, 2736335, 3475885, 3674507, 18372535, 25721549, 128607745]

約数ペア:

[(1, 128607745), (5, 25721549), (7, 18372535), (35, 3674507), (37, 3475885), (47, 2736335), (185, 695177), (235, 547267), (259, 496555), (329, 390905), (1295, 99311), (1645, 78181), (1739, 73955), (2113, 60865), (8695, 14791), (10565, 12173)]