7920055

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 12065760

約数和(自身を除く): 4145705

約数列:

[1, 5, 11, 13, 19, 53, 55, 65, 95, 121, 143, 209, 247, 265, 583, 605, 689, 715, 1007, 1045, 1235, 1573, 2299, 2717, 2915, 3445, 5035, 6413, 7579, 7865, 11077, 11495, 13091, 13585, 29887, 32065, 37895, 55385, 65455, 83369, 121847, 144001, 149435, 416845, 609235, 720005, 1584011, 7920055]

約数ペア:

[(1, 7920055), (5, 1584011), (11, 720005), (13, 609235), (19, 416845), (53, 149435), (55, 144001), (65, 121847), (95, 83369), (121, 65455), (143, 55385), (209, 37895), (247, 32065), (265, 29887), (583, 13585), (605, 13091), (689, 11495), (715, 11077), (1007, 7865), (1045, 7579), (1235, 6413), (1573, 5035), (2299, 3445), (2717, 2915)]