81811072

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 203575680

約数和(自身を除く): 121764608

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 41, 56, 64, 68, 82, 112, 119, 128, 131, 136, 164, 224, 238, 262, 272, 287, 328, 448, 476, 524, 544, 574, 656, 697, 896, 917, 952, 1048, 1088, 1148, 1312, 1394, 1834, 1904, 2096, 2176, 2227, 2296, 2624, 2788, 3668, 3808, 4192, 4454, 4592, 4879, 5248, 5371, 5576, 7336, 7616, 8384, 8908, 9184, 9758, 10742, 11152, 14672, 15232, 15589, 16768, 17816, 18368, 19516, 21484, 22304, 29344, 31178, 35632, 36736, 37597, 39032, 42968, 44608, 58688, 62356, 71264, 75194, 78064, 85936, 89216, 91307, 117376, 124712, 142528, 150388, 156128, 171872, 182614, 249424, 285056, 300776, 312256, 343744, 365228, 498848, 601552, 624512, 639149, 687488, 730456, 997696, 1203104, 1278298, 1460912, 1995392, 2406208, 2556596, 2921824, 4812416, 5113192, 5843648, 10226384, 11687296, 20452768, 40905536, 81811072]

約数ペア:

[(1, 81811072), (2, 40905536), (4, 20452768), (7, 11687296), (8, 10226384), (14, 5843648), (16, 5113192), (17, 4812416), (28, 2921824), (32, 2556596), (34, 2406208), (41, 1995392), (56, 1460912), (64, 1278298), (68, 1203104), (82, 997696), (112, 730456), (119, 687488), (128, 639149), (131, 624512), (136, 601552), (164, 498848), (224, 365228), (238, 343744), (262, 312256), (272, 300776), (287, 285056), (328, 249424), (448, 182614), (476, 171872), (524, 156128), (544, 150388), (574, 142528), (656, 124712), (697, 117376), (896, 91307), (917, 89216), (952, 85936), (1048, 78064), (1088, 75194), (1148, 71264), (1312, 62356), (1394, 58688), (1834, 44608), (1904, 42968), (2096, 39032), (2176, 37597), (2227, 36736), (2296, 35632), (2624, 31178), (2788, 29344), (3668, 22304), (3808, 21484), (4192, 19516), (4454, 18368), (4592, 17816), (4879, 16768), (5248, 15589), (5371, 15232), (5576, 14672), (7336, 11152), (7616, 10742), (8384, 9758), (8908, 9184)]