16878292705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{133283}}^1$

素因数の和:133381

約数の個数: 32

約数和(自身を含む): 22519664640

約数和(自身を除く): 5641371935

約数列:

[1, 5, 19, 31, 43, 95, 155, 215, 589, 817, 1333, 2945, 4085, 6665, 25327, 126635, 133283, 666415, 2532377, 4131773, 5731169, 12661885, 20658865, 28655845, 78503687, 108892211, 177666239, 392518435, 544461055, 888331195, 3375658541, 16878292705]

約数ペア:

[(1, 16878292705), (5, 3375658541), (19, 888331195), (31, 544461055), (43, 392518435), (95, 177666239), (155, 108892211), (215, 78503687), (589, 28655845), (817, 20658865), (1333, 12661885), (2945, 5731169), (4085, 4131773), (6665, 2532377), (25327, 666415), (126635, 133283)]