28041370819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{4019}}^1$

素因数の和:4184

約数の個数: 64

約数和(自身を含む): 37542297600

約数和(自身を除く): 9500926781

約数列:

[1, 7, 11, 31, 37, 77, 79, 217, 259, 341, 407, 553, 869, 1147, 2387, 2449, 2849, 2923, 4019, 6083, 8029, 12617, 17143, 20461, 26939, 28133, 32153, 44209, 88319, 90613, 124589, 148703, 188573, 225071, 309463, 317501, 634291, 872123, 996743, 1040921, 1370479, 1635733, 2222507, 3492511, 4609793, 6977201, 9593353, 9842531, 11450131, 11747537, 24447577, 32268551, 50707723, 68897717, 82232759, 108267841, 129222907, 354954061, 364173647, 757874887, 904560349, 2549215529, 4005910117, 28041370819]

約数ペア:

[(1, 28041370819), (7, 4005910117), (11, 2549215529), (31, 904560349), (37, 757874887), (77, 364173647), (79, 354954061), (217, 129222907), (259, 108267841), (341, 82232759), (407, 68897717), (553, 50707723), (869, 32268551), (1147, 24447577), (2387, 11747537), (2449, 11450131), (2849, 9842531), (2923, 9593353), (4019, 6977201), (6083, 4609793), (8029, 3492511), (12617, 2222507), (17143, 1635733), (20461, 1370479), (26939, 1040921), (28133, 996743), (32153, 872123), (44209, 634291), (88319, 317501), (90613, 309463), (124589, 225071), (148703, 188573)]