420199142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{175229}}^1$

素因数の和:175351

約数の個数: 16

約数和(自身を含む): 693910800

約数和(自身を除く): 273711658

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 175229, 350458, 1927519, 3855038, 19099961, 38199922, 210099571, 420199142]

約数ペア:

[(1, 420199142), (2, 210099571), (11, 38199922), (22, 19099961), (109, 3855038), (218, 1927519), (1199, 350458), (2398, 175229)]