31831072

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 81793152

約数和(自身を除く): 49962080

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 476, 544, 643, 728, 884, 952, 1286, 1456, 1547, 1768, 1904, 2572, 2912, 3094, 3536, 3808, 4501, 5144, 6188, 7072, 8359, 9002, 10288, 10931, 12376, 16718, 18004, 20576, 21862, 24752, 33436, 36008, 43724, 49504, 58513, 66872, 72016, 76517, 87448, 117026, 133744, 142103, 144032, 153034, 174896, 234052, 267488, 284206, 306068, 349792, 468104, 568412, 612136, 936208, 994721, 1136824, 1224272, 1872416, 1989442, 2273648, 2448544, 3978884, 4547296, 7957768, 15915536, 31831072]

約数ペア:

[(1, 31831072), (2, 15915536), (4, 7957768), (7, 4547296), (8, 3978884), (13, 2448544), (14, 2273648), (16, 1989442), (17, 1872416), (26, 1224272), (28, 1136824), (32, 994721), (34, 936208), (52, 612136), (56, 568412), (68, 468104), (91, 349792), (104, 306068), (112, 284206), (119, 267488), (136, 234052), (182, 174896), (208, 153034), (221, 144032), (224, 142103), (238, 133744), (272, 117026), (364, 87448), (416, 76517), (442, 72016), (476, 66872), (544, 58513), (643, 49504), (728, 43724), (884, 36008), (952, 33436), (1286, 24752), (1456, 21862), (1547, 20576), (1768, 18004), (1904, 16718), (2572, 12376), (2912, 10931), (3094, 10288), (3536, 9002), (3808, 8359), (4501, 7072), (5144, 6188)]