351667615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 464510592

約数和(自身を除く): 112842977

約数列:

[1, 5, 13, 65, 71, 181, 355, 421, 905, 923, 2105, 2353, 4615, 5473, 11765, 12851, 27365, 29891, 64255, 76201, 149455, 167063, 381005, 388583, 835315, 990613, 1942915, 4953065, 5410271, 27051355, 70333523, 351667615]

約数ペア:

[(1, 351667615), (5, 70333523), (13, 27051355), (65, 5410271), (71, 4953065), (181, 1942915), (355, 990613), (421, 835315), (905, 388583), (923, 381005), (2105, 167063), (2353, 149455), (4615, 76201), (5473, 64255), (11765, 29891), (12851, 27365)]