201182405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 256628736

約数和(自身を除く): 55446331

約数列:

[1, 5, 31, 71, 101, 155, 181, 355, 505, 905, 2201, 3131, 5611, 7171, 11005, 12851, 15655, 18281, 28055, 35855, 64255, 91405, 222301, 398381, 566711, 1111505, 1297951, 1991905, 2833555, 6489755, 40236481, 201182405]

約数ペア:

[(1, 201182405), (5, 40236481), (31, 6489755), (71, 2833555), (101, 1991905), (155, 1297951), (181, 1111505), (355, 566711), (505, 398381), (905, 222301), (2201, 91405), (3131, 64255), (5611, 35855), (7171, 28055), (11005, 18281), (12851, 15655)]