15781376

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{2371}}^1$

素因数の和:2402

約数の個数: 40

約数和(自身を含む): 33971784

約数和(自身を除く): 18190408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 2371, 3328, 4742, 6656, 9484, 18968, 30823, 37936, 61646, 75872, 123292, 151744, 246584, 303488, 493168, 606976, 986336, 1213952, 1972672, 3945344, 7890688, 15781376]

約数ペア:

[(1, 15781376), (2, 7890688), (4, 3945344), (8, 1972672), (13, 1213952), (16, 986336), (26, 606976), (32, 493168), (52, 303488), (64, 246584), (104, 151744), (128, 123292), (208, 75872), (256, 61646), (416, 37936), (512, 30823), (832, 18968), (1664, 9484), (2371, 6656), (3328, 4742)]