207865990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2137}}^1$

素因数の和:2352

約数の個数: 32

約数和(自身を含む): 382377024

約数和(自身を除く): 174511034

約数列:

[1, 2, 5, 10, 71, 137, 142, 274, 355, 685, 710, 1370, 2137, 4274, 9727, 10685, 19454, 21370, 48635, 97270, 151727, 292769, 303454, 585538, 758635, 1463845, 1517270, 2927690, 20786599, 41573198, 103932995, 207865990]

約数ペア:

[(1, 207865990), (2, 103932995), (5, 41573198), (10, 20786599), (71, 2927690), (137, 1517270), (142, 1463845), (274, 758635), (355, 585538), (685, 303454), (710, 292769), (1370, 151727), (2137, 97270), (4274, 48635), (9727, 21370), (10685, 19454)]