28916335

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 13477265

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 899, 919, 1015, 1085, 4495, 4595, 6293, 6433, 26651, 28489, 31465, 32165, 133255, 142445, 186557, 199423, 826181, 932785, 997115, 4130905, 5783267, 28916335]

約数ペア:

[(1, 28916335), (5, 5783267), (7, 4130905), (29, 997115), (31, 932785), (35, 826181), (145, 199423), (155, 186557), (203, 142445), (217, 133255), (899, 32165), (919, 31465), (1015, 28489), (1085, 26651), (4495, 6433), (4595, 6293)]