78882128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{701}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 165130056

約数和(自身を除く): 86247928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 541, 701, 1082, 1402, 2164, 2804, 4328, 5608, 7033, 8656, 9113, 11216, 14066, 18226, 28132, 36452, 56264, 72904, 112528, 145808, 379241, 758482, 1516964, 3033928, 4930133, 6067856, 9860266, 19720532, 39441064, 78882128]

約数ペア:

[(1, 78882128), (2, 39441064), (4, 19720532), (8, 9860266), (13, 6067856), (16, 4930133), (26, 3033928), (52, 1516964), (104, 758482), (208, 379241), (541, 145808), (701, 112528), (1082, 72904), (1402, 56264), (2164, 36452), (2804, 28132), (4328, 18226), (5608, 14066), (7033, 11216), (8656, 9113)]