31441368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 95846400

約数和(自身を除く): 64405032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 79, 84, 92, 103, 138, 158, 161, 168, 184, 206, 237, 276, 309, 316, 322, 412, 474, 483, 552, 553, 618, 632, 644, 721, 824, 948, 966, 1106, 1236, 1288, 1442, 1659, 1817, 1896, 1932, 2163, 2212, 2369, 2472, 2884, 3318, 3634, 3864, 4326, 4424, 4738, 5451, 5768, 6636, 7107, 7268, 8137, 8652, 9476, 10902, 12719, 13272, 14214, 14536, 16274, 16583, 17304, 18952, 21804, 24411, 25438, 28428, 32548, 33166, 38157, 43608, 48822, 49749, 50876, 56856, 56959, 65096, 66332, 76314, 97644, 99498, 101752, 113918, 132664, 152628, 170877, 187151, 195288, 198996, 227836, 305256, 341754, 374302, 397992, 455672, 561453, 683508, 748604, 1122906, 1310057, 1367016, 1497208, 2245812, 2620114, 3930171, 4491624, 5240228, 7860342, 10480456, 15720684, 31441368]

約数ペア:

[(1, 31441368), (2, 15720684), (3, 10480456), (4, 7860342), (6, 5240228), (7, 4491624), (8, 3930171), (12, 2620114), (14, 2245812), (21, 1497208), (23, 1367016), (24, 1310057), (28, 1122906), (42, 748604), (46, 683508), (56, 561453), (69, 455672), (79, 397992), (84, 374302), (92, 341754), (103, 305256), (138, 227836), (158, 198996), (161, 195288), (168, 187151), (184, 170877), (206, 152628), (237, 132664), (276, 113918), (309, 101752), (316, 99498), (322, 97644), (412, 76314), (474, 66332), (483, 65096), (552, 56959), (553, 56856), (618, 50876), (632, 49749), (644, 48822), (721, 43608), (824, 38157), (948, 33166), (966, 32548), (1106, 28428), (1236, 25438), (1288, 24411), (1442, 21804), (1659, 18952), (1817, 17304), (1896, 16583), (1932, 16274), (2163, 14536), (2212, 14214), (2369, 13272), (2472, 12719), (2884, 10902), (3318, 9476), (3634, 8652), (3864, 8137), (4326, 7268), (4424, 7107), (4738, 6636), (5451, 5768)]