28091008

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 62130240

約数和(自身を除く): 34039232

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 281, 284, 352, 562, 568, 704, 781, 1124, 1136, 1408, 1562, 2248, 2272, 3091, 3124, 4496, 4544, 6182, 6248, 8992, 9088, 12364, 12496, 17984, 19951, 24728, 24992, 35968, 39902, 49456, 49984, 79804, 98912, 99968, 159608, 197824, 219461, 319216, 395648, 438922, 638432, 877844, 1276864, 1755688, 2553728, 3511376, 7022752, 14045504, 28091008]

約数ペア:

[(1, 28091008), (2, 14045504), (4, 7022752), (8, 3511376), (11, 2553728), (16, 1755688), (22, 1276864), (32, 877844), (44, 638432), (64, 438922), (71, 395648), (88, 319216), (128, 219461), (142, 197824), (176, 159608), (281, 99968), (284, 98912), (352, 79804), (562, 49984), (568, 49456), (704, 39902), (781, 35968), (1124, 24992), (1136, 24728), (1408, 19951), (1562, 17984), (2248, 12496), (2272, 12364), (3091, 9088), (3124, 8992), (4496, 6248), (4544, 6182)]