81745972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5647}}^1$

素因数の和:5716

約数の個数: 48

約数和(自身を含む): 182181888

約数和(自身を除く): 100435916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 2068, 3619, 5647, 7238, 11294, 14476, 22588, 39529, 62117, 79058, 124234, 158116, 248468, 265409, 434819, 530818, 869638, 1061636, 1739276, 1857863, 2919499, 3715726, 5838998, 7431452, 11677996, 20436493, 40872986, 81745972]

約数ペア:

[(1, 81745972), (2, 40872986), (4, 20436493), (7, 11677996), (11, 7431452), (14, 5838998), (22, 3715726), (28, 2919499), (44, 1857863), (47, 1739276), (77, 1061636), (94, 869638), (154, 530818), (188, 434819), (308, 265409), (329, 248468), (517, 158116), (658, 124234), (1034, 79058), (1316, 62117), (2068, 39529), (3619, 22588), (5647, 14476), (7238, 11294)]