128380336

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{3463}}^1$

素因数の和:3809

約数の個数: 40

約数和(自身を含む): 285211904

約数和(自身を除く): 156831568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 662, 1324, 2317, 2648, 3463, 4634, 5296, 6926, 9268, 13852, 18536, 24241, 27704, 37072, 48482, 55408, 96964, 193928, 387856, 1146253, 2292506, 4585012, 8023771, 9170024, 16047542, 18340048, 32095084, 64190168, 128380336]

約数ペア:

[(1, 128380336), (2, 64190168), (4, 32095084), (7, 18340048), (8, 16047542), (14, 9170024), (16, 8023771), (28, 4585012), (56, 2292506), (112, 1146253), (331, 387856), (662, 193928), (1324, 96964), (2317, 55408), (2648, 48482), (3463, 37072), (4634, 27704), (5296, 24241), (6926, 18536), (9268, 13852)]