28970004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{977}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 77551488

約数和(自身を除く): 48581484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 706, 977, 1059, 1412, 1954, 2118, 2471, 2931, 3908, 4236, 4942, 5862, 6839, 7413, 9884, 11724, 13678, 14826, 20517, 27356, 29652, 41034, 82068, 344881, 689762, 1034643, 1379524, 2069286, 2414167, 4138572, 4828334, 7242501, 9656668, 14485002, 28970004]

約数ペア:

[(1, 28970004), (2, 14485002), (3, 9656668), (4, 7242501), (6, 4828334), (7, 4138572), (12, 2414167), (14, 2069286), (21, 1379524), (28, 1034643), (42, 689762), (84, 344881), (353, 82068), (706, 41034), (977, 29652), (1059, 27356), (1412, 20517), (1954, 14826), (2118, 13678), (2471, 11724), (2931, 9884), (3908, 7413), (4236, 6839), (4942, 5862)]