28131288

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{27259}}^1$

素因数の和:27311

約数の個数: 32

約数和(自身を含む): 71966400

約数和(自身を除く): 43835112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 27259, 54518, 81777, 109036, 163554, 218072, 327108, 654216, 1172137, 2344274, 3516411, 4688548, 7032822, 9377096, 14065644, 28131288]

約数ペア:

[(1, 28131288), (2, 14065644), (3, 9377096), (4, 7032822), (6, 4688548), (8, 3516411), (12, 2344274), (24, 1172137), (43, 654216), (86, 327108), (129, 218072), (172, 163554), (258, 109036), (344, 81777), (516, 54518), (1032, 27259)]