256095306

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1$

素因数の和:1827

約数の個数: 48

約数和(自身を含む): 567803808

約数和(自身を除く): 311708502

約数列:

[1, 2, 3, 6, 9, 18, 67, 131, 134, 201, 262, 393, 402, 603, 786, 1179, 1206, 1621, 2358, 3242, 4863, 8777, 9726, 14589, 17554, 26331, 29178, 52662, 78993, 108607, 157986, 212351, 217214, 325821, 424702, 637053, 651642, 977463, 1274106, 1911159, 1954926, 3822318, 14227517, 28455034, 42682551, 85365102, 128047653, 256095306]

約数ペア:

[(1, 256095306), (2, 128047653), (3, 85365102), (6, 42682551), (9, 28455034), (18, 14227517), (67, 3822318), (131, 1954926), (134, 1911159), (201, 1274106), (262, 977463), (393, 651642), (402, 637053), (603, 424702), (786, 325821), (1179, 217214), (1206, 212351), (1621, 157986), (2358, 108607), (3242, 78993), (4863, 52662), (8777, 29178), (9726, 26331), (14589, 17554)]