81947008

素因数分解:

$2^7\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 128

約数和(自身を含む): 198606240

約数和(自身を除く): 116659232

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 37, 44, 52, 64, 74, 88, 104, 121, 128, 143, 148, 176, 208, 242, 286, 296, 352, 407, 416, 481, 484, 572, 592, 704, 814, 832, 962, 968, 1144, 1184, 1331, 1408, 1573, 1628, 1664, 1924, 1936, 2288, 2368, 2662, 3146, 3256, 3848, 3872, 4477, 4576, 4736, 5291, 5324, 6292, 6512, 7696, 7744, 8954, 9152, 10582, 10648, 12584, 13024, 15392, 15488, 17303, 17908, 18304, 21164, 21296, 25168, 26048, 30784, 34606, 35816, 42328, 42592, 49247, 50336, 52096, 58201, 61568, 69212, 71632, 84656, 85184, 98494, 100672, 116402, 138424, 143264, 169312, 170368, 196988, 201344, 232804, 276848, 286528, 338624, 393976, 465608, 553696, 573056, 640211, 677248, 787952, 931216, 1107392, 1280422, 1575904, 1862432, 2214784, 2560844, 3151808, 3724864, 5121688, 6303616, 7449728, 10243376, 20486752, 40973504, 81947008]

約数ペア:

[(1, 81947008), (2, 40973504), (4, 20486752), (8, 10243376), (11, 7449728), (13, 6303616), (16, 5121688), (22, 3724864), (26, 3151808), (32, 2560844), (37, 2214784), (44, 1862432), (52, 1575904), (64, 1280422), (74, 1107392), (88, 931216), (104, 787952), (121, 677248), (128, 640211), (143, 573056), (148, 553696), (176, 465608), (208, 393976), (242, 338624), (286, 286528), (296, 276848), (352, 232804), (407, 201344), (416, 196988), (481, 170368), (484, 169312), (572, 143264), (592, 138424), (704, 116402), (814, 100672), (832, 98494), (962, 85184), (968, 84656), (1144, 71632), (1184, 69212), (1331, 61568), (1408, 58201), (1573, 52096), (1628, 50336), (1664, 49247), (1924, 42592), (1936, 42328), (2288, 35816), (2368, 34606), (2662, 30784), (3146, 26048), (3256, 25168), (3848, 21296), (3872, 21164), (4477, 18304), (4576, 17908), (4736, 17303), (5291, 15488), (5324, 15392), (6292, 13024), (6512, 12584), (7696, 10648), (7744, 10582), (8954, 9152)]