39400988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 76505856

約数和(自身を除く): 37104868

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 484, 508, 641, 1282, 1397, 2564, 2794, 5588, 7051, 14102, 15367, 28204, 30734, 61468, 77561, 81407, 155122, 162814, 310244, 325628, 895477, 1790954, 3581908, 9850247, 19700494, 39400988]

約数ペア:

[(1, 39400988), (2, 19700494), (4, 9850247), (11, 3581908), (22, 1790954), (44, 895477), (121, 325628), (127, 310244), (242, 162814), (254, 155122), (484, 81407), (508, 77561), (641, 61468), (1282, 30734), (1397, 28204), (2564, 15367), (2794, 14102), (5588, 7051)]