28274890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5113}}^1$

素因数の和:5206

約数の個数: 32

約数和(自身を含む): 58913280

約数和(自身を除く): 30638390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5113, 5530, 10226, 25565, 35791, 51130, 71582, 178955, 357910, 403927, 807854, 2019635, 2827489, 4039270, 5654978, 14137445, 28274890]

約数ペア:

[(1, 28274890), (2, 14137445), (5, 5654978), (7, 4039270), (10, 2827489), (14, 2019635), (35, 807854), (70, 403927), (79, 357910), (158, 178955), (395, 71582), (553, 51130), (790, 35791), (1106, 25565), (2765, 10226), (5113, 5530)]