398488734

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{351401}}^1$

素因数の和:351422

約数の個数: 40

約数和(自身を含む): 1020471408

約数和(自身を除く): 621982674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 351401, 702802, 1054203, 2108406, 2459807, 3162609, 4919614, 6325218, 7379421, 9487827, 14758842, 18975654, 22138263, 28463481, 44276526, 56926962, 66414789, 132829578, 199244367, 398488734]

約数ペア:

[(1, 398488734), (2, 199244367), (3, 132829578), (6, 66414789), (7, 56926962), (9, 44276526), (14, 28463481), (18, 22138263), (21, 18975654), (27, 14758842), (42, 9487827), (54, 7379421), (63, 6325218), (81, 4919614), (126, 3162609), (162, 2459807), (189, 2108406), (378, 1054203), (567, 702802), (1134, 351401)]