678369901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 787298400

約数和(自身を除く): 108928499

約数列:

[1, 11, 19, 139, 209, 361, 1229, 1529, 2641, 3971, 13519, 23351, 29051, 50179, 170831, 256861, 443669, 551969, 1879141, 3245789, 4880359, 35703679, 61669991, 678369901]

約数ペア:

[(1, 678369901), (11, 61669991), (19, 35703679), (139, 4880359), (209, 3245789), (361, 1879141), (1229, 551969), (1529, 443669), (2641, 256861), (3971, 170831), (13519, 50179), (23351, 29051)]