38983136

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 81743760

約数和(自身を除く): 42760624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 388, 608, 661, 776, 1322, 1552, 1843, 2644, 3104, 3686, 5288, 7372, 10576, 12559, 14744, 21152, 25118, 29488, 50236, 58976, 64117, 100472, 128234, 200944, 256468, 401888, 512936, 1025872, 1218223, 2051744, 2436446, 4872892, 9745784, 19491568, 38983136]

約数ペア:

[(1, 38983136), (2, 19491568), (4, 9745784), (8, 4872892), (16, 2436446), (19, 2051744), (32, 1218223), (38, 1025872), (76, 512936), (97, 401888), (152, 256468), (194, 200944), (304, 128234), (388, 100472), (608, 64117), (661, 58976), (776, 50236), (1322, 29488), (1552, 25118), (1843, 21152), (2644, 14744), (3104, 12559), (3686, 10576), (5288, 7372)]