28445690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31259}}^1$

素因数の和:31286

約数の個数: 32

約数和(自身を含む): 63020160

約数和(自身を除く): 34574470

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31259, 62518, 156295, 218813, 312590, 406367, 437626, 812734, 1094065, 2031835, 2188130, 2844569, 4063670, 5689138, 14222845, 28445690]

約数ペア:

[(1, 28445690), (2, 14222845), (5, 5689138), (7, 4063670), (10, 2844569), (13, 2188130), (14, 2031835), (26, 1094065), (35, 812734), (65, 437626), (70, 406367), (91, 312590), (130, 218813), (182, 156295), (455, 62518), (910, 31259)]