81983232

素因数分解:

$2^8\times 3^3\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 144

約数和(自身を含む): 251412000

約数和(自身を除く): 169428768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 87, 96, 108, 116, 128, 144, 174, 192, 216, 232, 256, 261, 288, 348, 384, 409, 432, 464, 522, 576, 696, 768, 783, 818, 864, 928, 1044, 1152, 1227, 1392, 1566, 1636, 1728, 1856, 2088, 2304, 2454, 2784, 3132, 3272, 3456, 3681, 3712, 4176, 4908, 5568, 6264, 6544, 6912, 7362, 7424, 8352, 9816, 11043, 11136, 11861, 12528, 13088, 14724, 16704, 19632, 22086, 22272, 23722, 25056, 26176, 29448, 33408, 35583, 39264, 44172, 47444, 50112, 52352, 58896, 66816, 71166, 78528, 88344, 94888, 100224, 104704, 106749, 117792, 142332, 157056, 176688, 189776, 200448, 213498, 235584, 284664, 314112, 320247, 353376, 379552, 426996, 471168, 569328, 640494, 706752, 759104, 853992, 942336, 1138656, 1280988, 1413504, 1518208, 1707984, 2277312, 2561976, 2827008, 3036416, 3415968, 4554624, 5123952, 6831936, 9109248, 10247904, 13663872, 20495808, 27327744, 40991616, 81983232]

約数ペア:

[(1, 81983232), (2, 40991616), (3, 27327744), (4, 20495808), (6, 13663872), (8, 10247904), (9, 9109248), (12, 6831936), (16, 5123952), (18, 4554624), (24, 3415968), (27, 3036416), (29, 2827008), (32, 2561976), (36, 2277312), (48, 1707984), (54, 1518208), (58, 1413504), (64, 1280988), (72, 1138656), (87, 942336), (96, 853992), (108, 759104), (116, 706752), (128, 640494), (144, 569328), (174, 471168), (192, 426996), (216, 379552), (232, 353376), (256, 320247), (261, 314112), (288, 284664), (348, 235584), (384, 213498), (409, 200448), (432, 189776), (464, 176688), (522, 157056), (576, 142332), (696, 117792), (768, 106749), (783, 104704), (818, 100224), (864, 94888), (928, 88344), (1044, 78528), (1152, 71166), (1227, 66816), (1392, 58896), (1566, 52352), (1636, 50112), (1728, 47444), (1856, 44172), (2088, 39264), (2304, 35583), (2454, 33408), (2784, 29448), (3132, 26176), (3272, 25056), (3456, 23722), (3681, 22272), (3712, 22086), (4176, 19632), (4908, 16704), (5568, 14724), (6264, 13088), (6544, 12528), (6912, 11861), (7362, 11136), (7424, 11043), (8352, 9816)]