81719296

素因数分解:

$2^{12}\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:376

約数の個数: 52

約数和(自身を含む): 166310064

約数和(自身を除く): 84590768

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 281, 284, 512, 562, 568, 1024, 1124, 1136, 2048, 2248, 2272, 4096, 4496, 4544, 8992, 9088, 17984, 18176, 19951, 35968, 36352, 39902, 71936, 72704, 79804, 143872, 145408, 159608, 287744, 290816, 319216, 575488, 638432, 1150976, 1276864, 2553728, 5107456, 10214912, 20429824, 40859648, 81719296]

約数ペア:

[(1, 81719296), (2, 40859648), (4, 20429824), (8, 10214912), (16, 5107456), (32, 2553728), (64, 1276864), (71, 1150976), (128, 638432), (142, 575488), (256, 319216), (281, 290816), (284, 287744), (512, 159608), (562, 145408), (568, 143872), (1024, 79804), (1124, 72704), (1136, 71936), (2048, 39902), (2248, 36352), (2272, 35968), (4096, 19951), (4496, 18176), (4544, 17984), (8992, 9088)]