638951808

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:816

約数の個数: 128

約数和(自身を含む): 1861165440

約数和(自身を除く): 1222213632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 331, 352, 384, 457, 528, 662, 704, 914, 993, 1056, 1324, 1371, 1408, 1828, 1986, 2112, 2648, 2742, 3641, 3656, 3972, 4224, 5027, 5296, 5484, 7282, 7312, 7944, 10054, 10592, 10923, 10968, 14564, 14624, 15081, 15888, 20108, 21184, 21846, 21936, 29128, 29248, 30162, 31776, 40216, 42368, 43692, 43872, 58256, 58496, 60324, 63552, 80432, 87384, 87744, 116512, 120648, 127104, 151267, 160864, 174768, 175488, 233024, 241296, 302534, 321728, 349536, 453801, 466048, 482592, 605068, 643456, 699072, 907602, 965184, 1210136, 1398144, 1663937, 1815204, 1930368, 2420272, 3327874, 3630408, 4840544, 4991811, 6655748, 7260816, 9681088, 9983622, 13311496, 14521632, 19362176, 19967244, 26622992, 29043264, 39934488, 53245984, 58086528, 79868976, 106491968, 159737952, 212983936, 319475904, 638951808]

約数ペア:

[(1, 638951808), (2, 319475904), (3, 212983936), (4, 159737952), (6, 106491968), (8, 79868976), (11, 58086528), (12, 53245984), (16, 39934488), (22, 29043264), (24, 26622992), (32, 19967244), (33, 19362176), (44, 14521632), (48, 13311496), (64, 9983622), (66, 9681088), (88, 7260816), (96, 6655748), (128, 4991811), (132, 4840544), (176, 3630408), (192, 3327874), (264, 2420272), (331, 1930368), (352, 1815204), (384, 1663937), (457, 1398144), (528, 1210136), (662, 965184), (704, 907602), (914, 699072), (993, 643456), (1056, 605068), (1324, 482592), (1371, 466048), (1408, 453801), (1828, 349536), (1986, 321728), (2112, 302534), (2648, 241296), (2742, 233024), (3641, 175488), (3656, 174768), (3972, 160864), (4224, 151267), (5027, 127104), (5296, 120648), (5484, 116512), (7282, 87744), (7312, 87384), (7944, 80432), (10054, 63552), (10592, 60324), (10923, 58496), (10968, 58256), (14564, 43872), (14624, 43692), (15081, 42368), (15888, 40216), (20108, 31776), (21184, 30162), (21846, 29248), (21936, 29128)]