28155876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19717}}^1$

素因数の和:19748

約数の個数: 48

約数和(自身を含む): 79502976

約数和(自身を除く): 51347100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 19717, 39434, 59151, 78868, 118302, 138019, 236604, 276038, 335189, 414057, 552076, 670378, 828114, 1005567, 1340756, 1656228, 2011134, 2346323, 4022268, 4692646, 7038969, 9385292, 14077938, 28155876]

約数ペア:

[(1, 28155876), (2, 14077938), (3, 9385292), (4, 7038969), (6, 4692646), (7, 4022268), (12, 2346323), (14, 2011134), (17, 1656228), (21, 1340756), (28, 1005567), (34, 828114), (42, 670378), (51, 552076), (68, 414057), (84, 335189), (102, 276038), (119, 236604), (204, 138019), (238, 118302), (357, 78868), (476, 59151), (714, 39434), (1428, 19717)]