28989415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 44555040

約数和(自身を除く): 15565625

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 169, 203, 377, 455, 845, 1015, 1183, 1885, 2197, 2639, 4901, 5915, 10985, 13195, 15379, 24505, 28561, 34307, 63713, 76895, 142805, 171535, 199927, 318565, 445991, 828269, 999635, 2229955, 4141345, 5797883, 28989415]

約数ペア:

[(1, 28989415), (5, 5797883), (7, 4141345), (13, 2229955), (29, 999635), (35, 828269), (65, 445991), (91, 318565), (145, 199927), (169, 171535), (203, 142805), (377, 76895), (455, 63713), (845, 34307), (1015, 28561), (1183, 24505), (1885, 15379), (2197, 13195), (2639, 10985), (4901, 5915)]