420328188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1667969}}^1$

素因数の和:1667986

約数の個数: 36

約数和(自身を含む): 1214282160

約数和(自身を除く): 793953972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1667969, 3335938, 5003907, 6671876, 10007814, 11675783, 15011721, 20015628, 23351566, 30023442, 35027349, 46703132, 60046884, 70054698, 105082047, 140109396, 210164094, 420328188]

約数ペア:

[(1, 420328188), (2, 210164094), (3, 140109396), (4, 105082047), (6, 70054698), (7, 60046884), (9, 46703132), (12, 35027349), (14, 30023442), (18, 23351566), (21, 20015628), (28, 15011721), (36, 11675783), (42, 10007814), (63, 6671876), (84, 5003907), (126, 3335938), (252, 1667969)]