81606824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41299}}^1$

素因数の和:41337

約数の個数: 32

約数和(自身を含む): 173460000

約数和(自身を除く): 91853176

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 41299, 82598, 165196, 330392, 536887, 784681, 1073774, 1569362, 2147548, 3138724, 4295096, 6277448, 10200853, 20401706, 40803412, 81606824]

約数ペア:

[(1, 81606824), (2, 40803412), (4, 20401706), (8, 10200853), (13, 6277448), (19, 4295096), (26, 3138724), (38, 2147548), (52, 1569362), (76, 1073774), (104, 784681), (152, 536887), (247, 330392), (494, 165196), (988, 82598), (1976, 41299)]