278530304

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 604369920

約数和(自身を除く): 325839616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 508, 659, 832, 1016, 1318, 1651, 1664, 2032, 2636, 3302, 3328, 4064, 5272, 6604, 8128, 8567, 10544, 13208, 16256, 17134, 21088, 26416, 32512, 34268, 42176, 52832, 68536, 83693, 84352, 105664, 137072, 167386, 168704, 211328, 274144, 334772, 422656, 548288, 669544, 1088009, 1096576, 1339088, 2176018, 2193152, 2678176, 4352036, 5356352, 8704072, 10712704, 17408144, 21425408, 34816288, 69632576, 139265152, 278530304]

約数ペア:

[(1, 278530304), (2, 139265152), (4, 69632576), (8, 34816288), (13, 21425408), (16, 17408144), (26, 10712704), (32, 8704072), (52, 5356352), (64, 4352036), (104, 2678176), (127, 2193152), (128, 2176018), (208, 1339088), (254, 1096576), (256, 1088009), (416, 669544), (508, 548288), (659, 422656), (832, 334772), (1016, 274144), (1318, 211328), (1651, 168704), (1664, 167386), (2032, 137072), (2636, 105664), (3302, 84352), (3328, 83693), (4064, 68536), (5272, 52832), (6604, 42176), (8128, 34268), (8567, 32512), (10544, 26416), (13208, 21088), (16256, 17134)]