128916396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{511573}}^1$

素因数の和:511590

約数の個数: 36

約数和(自身を含む): 372425872

約数和(自身を除く): 243509476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 511573, 1023146, 1534719, 2046292, 3069438, 3581011, 4604157, 6138876, 7162022, 9208314, 10743033, 14324044, 18416628, 21486066, 32229099, 42972132, 64458198, 128916396]

約数ペア:

[(1, 128916396), (2, 64458198), (3, 42972132), (4, 32229099), (6, 21486066), (7, 18416628), (9, 14324044), (12, 10743033), (14, 9208314), (18, 7162022), (21, 6138876), (28, 4604157), (36, 3581011), (42, 3069438), (63, 2046292), (84, 1534719), (126, 1023146), (252, 511573)]