81476906

素因数分解:

$2^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{1627}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 144566400

約数和(自身を除く): 63089494

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 343, 511, 686, 1022, 1627, 3254, 3577, 7154, 11389, 22778, 25039, 50078, 79723, 118771, 159446, 237542, 558061, 831397, 1116122, 1662794, 5819779, 11639558, 40738453, 81476906]

約数ペア:

[(1, 81476906), (2, 40738453), (7, 11639558), (14, 5819779), (49, 1662794), (73, 1116122), (98, 831397), (146, 558061), (343, 237542), (511, 159446), (686, 118771), (1022, 79723), (1627, 50078), (3254, 25039), (3577, 22778), (7154, 11389)]