261796136

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{246049}}^1$

素因数の和:246081

約数の個数: 32

約数和(自身を含む): 590520000

約数和(自身を除く): 328723864

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 246049, 492098, 984196, 1722343, 1968392, 3444686, 4674931, 6889372, 9349862, 13778744, 18699724, 32724517, 37399448, 65449034, 130898068, 261796136]

約数ペア:

[(1, 261796136), (2, 130898068), (4, 65449034), (7, 37399448), (8, 32724517), (14, 18699724), (19, 13778744), (28, 9349862), (38, 6889372), (56, 4674931), (76, 3444686), (133, 1968392), (152, 1722343), (266, 984196), (532, 492098), (1064, 246049)]