28911610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31771}}^1$

素因数の和:31798

約数の個数: 32

約数和(自身を含む): 64052352

約数和(自身を除く): 35140742

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31771, 63542, 158855, 222397, 317710, 413023, 444794, 826046, 1111985, 2065115, 2223970, 2891161, 4130230, 5782322, 14455805, 28911610]

約数ペア:

[(1, 28911610), (2, 14455805), (5, 5782322), (7, 4130230), (10, 2891161), (13, 2223970), (14, 2065115), (26, 1111985), (35, 826046), (65, 444794), (70, 413023), (91, 317710), (130, 222397), (182, 158855), (455, 63542), (910, 31771)]