131881984

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9940

約数の個数: 44

約数和(自身を含む): 283943464

約数和(自身を除く): 152061480

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 3328, 6656, 9907, 13312, 19814, 39628, 79256, 128791, 158512, 257582, 317024, 515164, 634048, 1030328, 1268096, 2060656, 2536192, 4121312, 5072384, 8242624, 10144768, 16485248, 32970496, 65940992, 131881984]

約数ペア:

[(1, 131881984), (2, 65940992), (4, 32970496), (8, 16485248), (13, 10144768), (16, 8242624), (26, 5072384), (32, 4121312), (52, 2536192), (64, 2060656), (104, 1268096), (128, 1030328), (208, 634048), (256, 515164), (416, 317024), (512, 257582), (832, 158512), (1024, 128791), (1664, 79256), (3328, 39628), (6656, 19814), (9907, 13312)]