128839712

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 261509472

約数和(自身を除く): 132669760

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 283, 328, 347, 566, 656, 694, 1132, 1312, 1388, 2264, 2776, 4528, 5552, 9056, 11104, 11603, 14227, 23206, 28454, 46412, 56908, 92824, 98201, 113816, 185648, 196402, 227632, 371296, 392804, 455264, 785608, 1571216, 3142432, 4026241, 8052482, 16104964, 32209928, 64419856, 128839712]

約数ペア:

[(1, 128839712), (2, 64419856), (4, 32209928), (8, 16104964), (16, 8052482), (32, 4026241), (41, 3142432), (82, 1571216), (164, 785608), (283, 455264), (328, 392804), (347, 371296), (566, 227632), (656, 196402), (694, 185648), (1132, 113816), (1312, 98201), (1388, 92824), (2264, 56908), (2776, 46412), (4528, 28454), (5552, 23206), (9056, 14227), (11104, 11603)]