39880746

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 89471304

約数和(自身を除く): 49590558

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 233, 257, 333, 466, 514, 666, 699, 771, 1398, 1542, 2097, 2313, 4194, 4626, 8621, 9509, 17242, 19018, 25863, 28527, 51726, 57054, 59881, 77589, 85581, 119762, 155178, 171162, 179643, 359286, 538929, 1077858, 2215597, 4431194, 6646791, 13293582, 19940373, 39880746]

約数ペア:

[(1, 39880746), (2, 19940373), (3, 13293582), (6, 6646791), (9, 4431194), (18, 2215597), (37, 1077858), (74, 538929), (111, 359286), (222, 179643), (233, 171162), (257, 155178), (333, 119762), (466, 85581), (514, 77589), (666, 59881), (699, 57054), (771, 51726), (1398, 28527), (1542, 25863), (2097, 19018), (2313, 17242), (4194, 9509), (4626, 8621)]