31183866

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 80

約数和(自身を含む): 80917056

約数和(自身を除く): 49733190

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 107, 126, 162, 189, 214, 257, 321, 378, 514, 567, 642, 749, 771, 963, 1134, 1498, 1542, 1799, 1926, 2247, 2313, 2889, 3598, 4494, 4626, 5397, 5778, 6741, 6939, 8667, 10794, 13482, 13878, 16191, 17334, 20223, 20817, 27499, 32382, 40446, 41634, 48573, 54998, 60669, 82497, 97146, 121338, 145719, 164994, 192493, 247491, 291438, 384986, 494982, 577479, 742473, 1154958, 1484946, 1732437, 2227419, 3464874, 4454838, 5197311, 10394622, 15591933, 31183866]

約数ペア:

[(1, 31183866), (2, 15591933), (3, 10394622), (6, 5197311), (7, 4454838), (9, 3464874), (14, 2227419), (18, 1732437), (21, 1484946), (27, 1154958), (42, 742473), (54, 577479), (63, 494982), (81, 384986), (107, 291438), (126, 247491), (162, 192493), (189, 164994), (214, 145719), (257, 121338), (321, 97146), (378, 82497), (514, 60669), (567, 54998), (642, 48573), (749, 41634), (771, 40446), (963, 32382), (1134, 27499), (1498, 20817), (1542, 20223), (1799, 17334), (1926, 16191), (2247, 13878), (2313, 13482), (2889, 10794), (3598, 8667), (4494, 6939), (4626, 6741), (5397, 5778)]