81477896

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 157308480

約数和(自身を除く): 75830584

約数列:

[1, 2, 4, 8, 67, 71, 134, 142, 268, 284, 536, 568, 2141, 4282, 4757, 8564, 9514, 17128, 19028, 38056, 143447, 152011, 286894, 304022, 573788, 608044, 1147576, 1216088, 10184737, 20369474, 40738948, 81477896]

約数ペア:

[(1, 81477896), (2, 40738948), (4, 20369474), (8, 10184737), (67, 1216088), (71, 1147576), (134, 608044), (142, 573788), (268, 304022), (284, 286894), (536, 152011), (568, 143447), (2141, 38056), (4282, 19028), (4757, 17128), (8564, 9514)]