28217530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3613}}^1$

素因数の和:3702

約数の個数: 32

約数和(自身を含む): 56204928

約数和(自身を除く): 27987398

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3613, 3905, 7226, 7810, 18065, 36130, 39743, 79486, 198715, 256523, 397430, 513046, 1282615, 2565230, 2821753, 5643506, 14108765, 28217530]

約数ペア:

[(1, 28217530), (2, 14108765), (5, 5643506), (10, 2821753), (11, 2565230), (22, 1282615), (55, 513046), (71, 397430), (110, 256523), (142, 198715), (355, 79486), (710, 39743), (781, 36130), (1562, 18065), (3613, 7810), (3905, 7226)]