28715638

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 51715584

約数和(自身を除く): 22999946

約数列:

[1, 2, 7, 14, 23, 46, 161, 257, 322, 347, 514, 694, 1799, 2429, 3598, 4858, 5911, 7981, 11822, 15962, 41377, 55867, 82754, 89179, 111734, 178358, 624253, 1248506, 2051117, 4102234, 14357819, 28715638]

約数ペア:

[(1, 28715638), (2, 14357819), (7, 4102234), (14, 2051117), (23, 1248506), (46, 624253), (161, 178358), (257, 111734), (322, 89179), (347, 82754), (514, 55867), (694, 41377), (1799, 15962), (2429, 11822), (3598, 7981), (4858, 5911)]