208182297

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 301392000

約数和(自身を除く): 93209703

約数列:

[1, 3, 19, 41, 57, 123, 229, 389, 687, 779, 1167, 2337, 4351, 7391, 9389, 13053, 15949, 22173, 28167, 47847, 89081, 178391, 267243, 303031, 535173, 909093, 1692539, 3652321, 5077617, 10956963, 69394099, 208182297]

約数ペア:

[(1, 208182297), (3, 69394099), (19, 10956963), (41, 5077617), (57, 3652321), (123, 1692539), (229, 909093), (389, 535173), (687, 303031), (779, 267243), (1167, 178391), (2337, 89081), (4351, 47847), (7391, 28167), (9389, 22173), (13053, 15949)]