1261474816

素因数分解:

$2^{10}\times 7^2\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:876

約数の個数: 132

約数和(自身を含む): 3031787136

約数和(自身を除く): 1770312320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 392, 434, 448, 496, 512, 784, 811, 868, 896, 992, 1024, 1519, 1568, 1622, 1736, 1792, 1984, 3038, 3136, 3244, 3472, 3584, 3968, 5677, 6076, 6272, 6488, 6944, 7168, 7936, 11354, 12152, 12544, 12976, 13888, 15872, 22708, 24304, 25088, 25141, 25952, 27776, 31744, 39739, 45416, 48608, 50176, 50282, 51904, 55552, 79478, 90832, 97216, 100564, 103808, 111104, 158956, 175987, 181664, 194432, 201128, 207616, 222208, 317912, 351974, 363328, 388864, 402256, 415232, 635824, 703948, 726656, 777728, 804512, 830464, 1231909, 1271648, 1407896, 1453312, 1555456, 1609024, 2463818, 2543296, 2815792, 2906624, 3218048, 4927636, 5086592, 5631584, 5813248, 6436096, 9855272, 10173184, 11263168, 12872192, 19710544, 20346368, 22526336, 25744384, 39421088, 40692736, 45052672, 78842176, 90105344, 157684352, 180210688, 315368704, 630737408, 1261474816]

約数ペア:

[(1, 1261474816), (2, 630737408), (4, 315368704), (7, 180210688), (8, 157684352), (14, 90105344), (16, 78842176), (28, 45052672), (31, 40692736), (32, 39421088), (49, 25744384), (56, 22526336), (62, 20346368), (64, 19710544), (98, 12872192), (112, 11263168), (124, 10173184), (128, 9855272), (196, 6436096), (217, 5813248), (224, 5631584), (248, 5086592), (256, 4927636), (392, 3218048), (434, 2906624), (448, 2815792), (496, 2543296), (512, 2463818), (784, 1609024), (811, 1555456), (868, 1453312), (896, 1407896), (992, 1271648), (1024, 1231909), (1519, 830464), (1568, 804512), (1622, 777728), (1736, 726656), (1792, 703948), (1984, 635824), (3038, 415232), (3136, 402256), (3244, 388864), (3472, 363328), (3584, 351974), (3968, 317912), (5677, 222208), (6076, 207616), (6272, 201128), (6488, 194432), (6944, 181664), (7168, 175987), (7936, 158956), (11354, 111104), (12152, 103808), (12544, 100564), (12976, 97216), (13888, 90832), (15872, 79478), (22708, 55552), (24304, 51904), (25088, 50282), (25141, 50176), (25952, 48608), (27776, 45416), (31744, 39739)]