7915856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2043

約数の個数: 40

約数和(自身を含む): 17394720

約数和(自身を除く): 9478864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 2003, 3952, 4006, 8012, 16024, 26039, 32048, 38057, 52078, 76114, 104156, 152228, 208312, 304456, 416624, 494741, 608912, 989482, 1978964, 3957928, 7915856]

約数ペア:

[(1, 7915856), (2, 3957928), (4, 1978964), (8, 989482), (13, 608912), (16, 494741), (19, 416624), (26, 304456), (38, 208312), (52, 152228), (76, 104156), (104, 76114), (152, 52078), (208, 38057), (247, 32048), (304, 26039), (494, 16024), (988, 8012), (1976, 4006), (2003, 3952)]