128641212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{510481}}^1$

素因数の和:510498

約数の個数: 36

約数和(自身を含む): 371630896

約数和(自身を除く): 242989684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 510481, 1020962, 1531443, 2041924, 3062886, 3573367, 4594329, 6125772, 7146734, 9188658, 10720101, 14293468, 18377316, 21440202, 32160303, 42880404, 64320606, 128641212]

約数ペア:

[(1, 128641212), (2, 64320606), (3, 42880404), (4, 32160303), (6, 21440202), (7, 18377316), (9, 14293468), (12, 10720101), (14, 9188658), (18, 7146734), (21, 6125772), (28, 4594329), (36, 3573367), (42, 3062886), (63, 2041924), (84, 1531443), (126, 1020962), (252, 510481)]