28657816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{14159}}^1$

素因数の和:14199

約数の個数: 32

約数和(自身を含む): 61171200

約数和(自身を除く): 32513384

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 14159, 28318, 56636, 113272, 155749, 311498, 325657, 622996, 651314, 1245992, 1302628, 2605256, 3582227, 7164454, 14328908, 28657816]

約数ペア:

[(1, 28657816), (2, 14328908), (4, 7164454), (8, 3582227), (11, 2605256), (22, 1302628), (23, 1245992), (44, 651314), (46, 622996), (88, 325657), (92, 311498), (184, 155749), (253, 113272), (506, 56636), (1012, 28318), (2024, 14159)]