91071988

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1685

約数の個数: 48

約数和(自身を含む): 190512000

約数和(自身を除く): 99440012

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 574, 686, 1148, 1372, 1619, 2009, 3238, 4018, 6476, 8036, 11333, 14063, 22666, 28126, 45332, 56252, 66379, 79331, 132758, 158662, 265516, 317324, 464653, 555317, 929306, 1110634, 1858612, 2221268, 3252571, 6505142, 13010284, 22767997, 45535994, 91071988]

約数ペア:

[(1, 91071988), (2, 45535994), (4, 22767997), (7, 13010284), (14, 6505142), (28, 3252571), (41, 2221268), (49, 1858612), (82, 1110634), (98, 929306), (164, 555317), (196, 464653), (287, 317324), (343, 265516), (574, 158662), (686, 132758), (1148, 79331), (1372, 66379), (1619, 56252), (2009, 45332), (3238, 28126), (4018, 22666), (6476, 14063), (8036, 11333)]