212872816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1553}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 445127760

約数和(自身を除く): 232254944

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 659, 1318, 1553, 2636, 3106, 5272, 6212, 8567, 10544, 12424, 17134, 20189, 24848, 34268, 40378, 68536, 80756, 137072, 161512, 323024, 1023427, 2046854, 4093708, 8187416, 13304551, 16374832, 26609102, 53218204, 106436408, 212872816]

約数ペア:

[(1, 212872816), (2, 106436408), (4, 53218204), (8, 26609102), (13, 16374832), (16, 13304551), (26, 8187416), (52, 4093708), (104, 2046854), (208, 1023427), (659, 323024), (1318, 161512), (1553, 137072), (2636, 80756), (3106, 68536), (5272, 40378), (6212, 34268), (8567, 24848), (10544, 20189), (12424, 17134)]