28907904

素因数分解:

$2^7\times 3^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 77797440

約数和(自身を除く): 48889536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 332, 384, 498, 664, 907, 996, 1328, 1814, 1992, 2656, 2721, 3628, 3984, 5312, 5442, 7256, 7968, 10624, 10884, 14512, 15936, 21768, 29024, 31872, 43536, 58048, 75281, 87072, 116096, 150562, 174144, 225843, 301124, 348288, 451686, 602248, 903372, 1204496, 1806744, 2408992, 3613488, 4817984, 7226976, 9635968, 14453952, 28907904]

約数ペア:

[(1, 28907904), (2, 14453952), (3, 9635968), (4, 7226976), (6, 4817984), (8, 3613488), (12, 2408992), (16, 1806744), (24, 1204496), (32, 903372), (48, 602248), (64, 451686), (83, 348288), (96, 301124), (128, 225843), (166, 174144), (192, 150562), (249, 116096), (332, 87072), (384, 75281), (498, 58048), (664, 43536), (907, 31872), (996, 29024), (1328, 21768), (1814, 15936), (1992, 14512), (2656, 10884), (2721, 10624), (3628, 7968), (3984, 7256), (5312, 5442)]