81497368

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 155937600

約数和(自身を除く): 74440232

約数列:

[1, 2, 4, 8, 83, 139, 166, 278, 332, 556, 664, 883, 1112, 1766, 3532, 7064, 11537, 23074, 46148, 73289, 92296, 122737, 146578, 245474, 293156, 490948, 586312, 981896, 10187171, 20374342, 40748684, 81497368]

約数ペア:

[(1, 81497368), (2, 40748684), (4, 20374342), (8, 10187171), (83, 981896), (139, 586312), (166, 490948), (278, 293156), (332, 245474), (556, 146578), (664, 122737), (883, 92296), (1112, 73289), (1766, 46148), (3532, 23074), (7064, 11537)]