646403939

素因数分解:

${\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 679320000

約数和(自身を除く): 32916061

約数列:

[1, 29, 101, 199, 1109, 2929, 5771, 20099, 32161, 112009, 220691, 582871, 3248261, 6400039, 22289791, 646403939]

約数ペア:

[(1, 646403939), (29, 22289791), (101, 6400039), (199, 3248261), (1109, 582871), (2929, 220691), (5771, 112009), (20099, 32161)]