81595904

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 188706672

約数和(自身を除く): 107110768

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 41, 46, 52, 64, 82, 92, 104, 128, 164, 169, 184, 208, 256, 299, 328, 338, 368, 416, 512, 533, 598, 656, 676, 736, 832, 943, 1066, 1196, 1312, 1352, 1472, 1664, 1886, 2132, 2392, 2624, 2704, 2944, 3328, 3772, 3887, 4264, 4784, 5248, 5408, 5888, 6656, 6929, 7544, 7774, 8528, 9568, 10496, 10816, 11776, 12259, 13858, 15088, 15548, 17056, 19136, 20992, 21632, 24518, 27716, 30176, 31096, 34112, 38272, 43264, 49036, 55432, 60352, 62192, 68224, 76544, 86528, 98072, 110864, 120704, 124384, 136448, 153088, 159367, 196144, 221728, 241408, 248768, 272896, 318734, 392288, 443456, 482816, 497536, 637468, 784576, 886912, 995072, 1274936, 1569152, 1773824, 1990144, 2549872, 3138304, 3547648, 5099744, 6276608, 10199488, 20398976, 40797952, 81595904]

約数ペア:

[(1, 81595904), (2, 40797952), (4, 20398976), (8, 10199488), (13, 6276608), (16, 5099744), (23, 3547648), (26, 3138304), (32, 2549872), (41, 1990144), (46, 1773824), (52, 1569152), (64, 1274936), (82, 995072), (92, 886912), (104, 784576), (128, 637468), (164, 497536), (169, 482816), (184, 443456), (208, 392288), (256, 318734), (299, 272896), (328, 248768), (338, 241408), (368, 221728), (416, 196144), (512, 159367), (533, 153088), (598, 136448), (656, 124384), (676, 120704), (736, 110864), (832, 98072), (943, 86528), (1066, 76544), (1196, 68224), (1312, 62192), (1352, 60352), (1472, 55432), (1664, 49036), (1886, 43264), (2132, 38272), (2392, 34112), (2624, 31096), (2704, 30176), (2944, 27716), (3328, 24518), (3772, 21632), (3887, 20992), (4264, 19136), (4784, 17056), (5248, 15548), (5408, 15088), (5888, 13858), (6656, 12259), (6929, 11776), (7544, 10816), (7774, 10496), (8528, 9568)]