28646345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 15625015

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 167, 169, 203, 377, 455, 835, 845, 1015, 1169, 1183, 1885, 2171, 2639, 4843, 4901, 5845, 5915, 10855, 13195, 15197, 24215, 24505, 28223, 33901, 34307, 62959, 75985, 141115, 169505, 171535, 197561, 314795, 440713, 818467, 987805, 2203565, 4092335, 5729269, 28646345]

約数ペア:

[(1, 28646345), (5, 5729269), (7, 4092335), (13, 2203565), (29, 987805), (35, 818467), (65, 440713), (91, 314795), (145, 197561), (167, 171535), (169, 169505), (203, 141115), (377, 75985), (455, 62959), (835, 34307), (845, 33901), (1015, 28223), (1169, 24505), (1183, 24215), (1885, 15197), (2171, 13195), (2639, 10855), (4843, 5915), (4901, 5845)]