81459440272

素因数分解:

$2^4\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{582319}}^1$

素因数の和:583583

約数の個数: 40

約数和(自身を含む): 180519200000

約数和(自身を除く): 99059759728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1249, 2498, 4996, 8743, 9992, 17486, 19984, 34972, 69944, 139888, 582319, 1164638, 2329276, 4076233, 4658552, 8152466, 9317104, 16304932, 32609864, 65219728, 727316431, 1454632862, 2909265724, 5091215017, 5818531448, 10182430034, 11637062896, 20364860068, 40729720136, 81459440272]

約数ペア:

[(1, 81459440272), (2, 40729720136), (4, 20364860068), (7, 11637062896), (8, 10182430034), (14, 5818531448), (16, 5091215017), (28, 2909265724), (56, 1454632862), (112, 727316431), (1249, 65219728), (2498, 32609864), (4996, 16304932), (8743, 9317104), (9992, 8152466), (17486, 4658552), (19984, 4076233), (34972, 2329276), (69944, 1164638), (139888, 582319)]