149720416

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{20981}}^1$

素因数の和:21214

約数の個数: 24

約数和(自身を含む): 296097984

約数和(自身を除く): 146377568

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 3568, 7136, 20981, 41962, 83924, 167848, 335696, 671392, 4678763, 9357526, 18715052, 37430104, 74860208, 149720416]

約数ペア:

[(1, 149720416), (2, 74860208), (4, 37430104), (8, 18715052), (16, 9357526), (32, 4678763), (223, 671392), (446, 335696), (892, 167848), (1784, 83924), (3568, 41962), (7136, 20981)]