31999488

素因数分解:

$2^9\times 3^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 80

約数和(自身を含む): 86619456

約数和(自身を除く): 54619968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 251, 256, 332, 384, 498, 502, 512, 664, 753, 768, 996, 1004, 1328, 1506, 1536, 1992, 2008, 2656, 3012, 3984, 4016, 5312, 6024, 7968, 8032, 10624, 12048, 15936, 16064, 20833, 21248, 24096, 31872, 32128, 41666, 42496, 48192, 62499, 63744, 64256, 83332, 96384, 124998, 127488, 128512, 166664, 192768, 249996, 333328, 385536, 499992, 666656, 999984, 1333312, 1999968, 2666624, 3999936, 5333248, 7999872, 10666496, 15999744, 31999488]

約数ペア:

[(1, 31999488), (2, 15999744), (3, 10666496), (4, 7999872), (6, 5333248), (8, 3999936), (12, 2666624), (16, 1999968), (24, 1333312), (32, 999984), (48, 666656), (64, 499992), (83, 385536), (96, 333328), (128, 249996), (166, 192768), (192, 166664), (249, 128512), (251, 127488), (256, 124998), (332, 96384), (384, 83332), (498, 64256), (502, 63744), (512, 62499), (664, 48192), (753, 42496), (768, 41666), (996, 32128), (1004, 31872), (1328, 24096), (1506, 21248), (1536, 20833), (1992, 16064), (2008, 15936), (2656, 12048), (3012, 10624), (3984, 8032), (4016, 7968), (5312, 6024)]