128635164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{510457}}^1$

素因数の和:510474

約数の個数: 36

約数和(自身を含む): 371613424

約数和(自身を除く): 242978260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 510457, 1020914, 1531371, 2041828, 3062742, 3573199, 4594113, 6125484, 7146398, 9188226, 10719597, 14292796, 18376452, 21439194, 32158791, 42878388, 64317582, 128635164]

約数ペア:

[(1, 128635164), (2, 64317582), (3, 42878388), (4, 32158791), (6, 21439194), (7, 18376452), (9, 14292796), (12, 10719597), (14, 9188226), (18, 7146398), (21, 6125484), (28, 4594113), (36, 3573199), (42, 3062742), (63, 2041828), (84, 1531371), (126, 1020914), (252, 510457)]