81928

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:50

約数の個数: 48

約数和(自身を含む): 205200

約数和(自身を除く): 123272

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 133, 152, 154, 196, 209, 266, 308, 392, 418, 532, 539, 616, 836, 931, 1064, 1078, 1463, 1672, 1862, 2156, 2926, 3724, 4312, 5852, 7448, 10241, 11704, 20482, 40964, 81928]

約数ペア:

[(1, 81928), (2, 40964), (4, 20482), (7, 11704), (8, 10241), (11, 7448), (14, 5852), (19, 4312), (22, 3724), (28, 2926), (38, 2156), (44, 1862), (49, 1672), (56, 1463), (76, 1078), (77, 1064), (88, 931), (98, 836), (133, 616), (152, 539), (154, 532), (196, 418), (209, 392), (266, 308)]