81031496

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15901}}^1$

素因数の和:15934

約数の個数: 48

約数和(自身を含む): 190346940

約数和(自身を除く): 109315444

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 15901, 31802, 63604, 111307, 127208, 206713, 222614, 413426, 445228, 779149, 826852, 890456, 1446991, 1558298, 1653704, 2893982, 3116596, 5787964, 6233192, 10128937, 11575928, 20257874, 40515748, 81031496]

約数ペア:

[(1, 81031496), (2, 40515748), (4, 20257874), (7, 11575928), (8, 10128937), (13, 6233192), (14, 5787964), (26, 3116596), (28, 2893982), (49, 1653704), (52, 1558298), (56, 1446991), (91, 890456), (98, 826852), (104, 779149), (182, 445228), (196, 413426), (364, 222614), (392, 206713), (637, 127208), (728, 111307), (1274, 63604), (2548, 31802), (5096, 15901)]