128523728

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{151561}}^1$

素因数の和:151622

約数の個数: 20

約数和(自身を含む): 253714788

約数和(自身を除く): 125191060

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 151561, 303122, 606244, 1212488, 2424976, 8032733, 16065466, 32130932, 64261864, 128523728]

約数ペア:

[(1, 128523728), (2, 64261864), (4, 32130932), (8, 16065466), (16, 8032733), (53, 2424976), (106, 1212488), (212, 606244), (424, 303122), (848, 151561)]