81264764

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 168892416

約数和(自身を除く): 87627652

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 251, 373, 434, 502, 746, 868, 1004, 1492, 1757, 2611, 3514, 5222, 7028, 7781, 10444, 11563, 15562, 23126, 31124, 46252, 54467, 80941, 93623, 108934, 161882, 187246, 217868, 323764, 374492, 655361, 1310722, 2621444, 2902313, 5804626, 11609252, 20316191, 40632382, 81264764]

約数ペア:

[(1, 81264764), (2, 40632382), (4, 20316191), (7, 11609252), (14, 5804626), (28, 2902313), (31, 2621444), (62, 1310722), (124, 655361), (217, 374492), (251, 323764), (373, 217868), (434, 187246), (502, 161882), (746, 108934), (868, 93623), (1004, 80941), (1492, 54467), (1757, 46252), (2611, 31124), (3514, 23126), (5222, 15562), (7028, 11563), (7781, 10444)]