1315028

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 2869440

約数和(自身を除く): 1554412

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 121, 143, 209, 242, 247, 286, 418, 484, 494, 572, 836, 988, 1331, 1573, 2299, 2662, 2717, 3146, 4598, 5324, 5434, 6292, 9196, 10868, 17303, 25289, 29887, 34606, 50578, 59774, 69212, 101156, 119548, 328757, 657514, 1315028]

約数ペア:

[(1, 1315028), (2, 657514), (4, 328757), (11, 119548), (13, 101156), (19, 69212), (22, 59774), (26, 50578), (38, 34606), (44, 29887), (52, 25289), (76, 17303), (121, 10868), (143, 9196), (209, 6292), (242, 5434), (247, 5324), (286, 4598), (418, 3146), (484, 2717), (494, 2662), (572, 2299), (836, 1573), (988, 1331)]