638855424

素因数分解:

$2^8\times 3^4\times {\mathrm{30809}}^1$

素因数の和:30837

約数の個数: 90

約数和(自身を含む): 1905013110

約数和(自身を除く): 1266157686

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1152, 1296, 1728, 2304, 2592, 3456, 5184, 6912, 10368, 20736, 30809, 61618, 92427, 123236, 184854, 246472, 277281, 369708, 492944, 554562, 739416, 831843, 985888, 1109124, 1478832, 1663686, 1971776, 2218248, 2495529, 2957664, 3327372, 3943552, 4436496, 4991058, 5915328, 6654744, 7887104, 8872992, 9982116, 11830656, 13309488, 17745984, 19964232, 23661312, 26618976, 35491968, 39928464, 53237952, 70983936, 79856928, 106475904, 159713856, 212951808, 319427712, 638855424]

約数ペア:

[(1, 638855424), (2, 319427712), (3, 212951808), (4, 159713856), (6, 106475904), (8, 79856928), (9, 70983936), (12, 53237952), (16, 39928464), (18, 35491968), (24, 26618976), (27, 23661312), (32, 19964232), (36, 17745984), (48, 13309488), (54, 11830656), (64, 9982116), (72, 8872992), (81, 7887104), (96, 6654744), (108, 5915328), (128, 4991058), (144, 4436496), (162, 3943552), (192, 3327372), (216, 2957664), (256, 2495529), (288, 2218248), (324, 1971776), (384, 1663686), (432, 1478832), (576, 1109124), (648, 985888), (768, 831843), (864, 739416), (1152, 554562), (1296, 492944), (1728, 369708), (2304, 277281), (2592, 246472), (3456, 184854), (5184, 123236), (6912, 92427), (10368, 61618), (20736, 30809)]