11638888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 22878720

約数和(自身を除く): 11239832

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 661, 1322, 2201, 2644, 4402, 5288, 8804, 17608, 20491, 40982, 46931, 81964, 93862, 163928, 187724, 375448, 1454861, 2909722, 5819444, 11638888]

約数ペア:

[(1, 11638888), (2, 5819444), (4, 2909722), (8, 1454861), (31, 375448), (62, 187724), (71, 163928), (124, 93862), (142, 81964), (248, 46931), (284, 40982), (568, 20491), (661, 17608), (1322, 8804), (2201, 5288), (2644, 4402)]