66887728

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{101963}}^1$

素因数の和:102012

約数の個数: 20

約数和(自身を含む): 132757128

約数和(自身を除く): 65869400

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 101963, 203926, 407852, 815704, 1631408, 4180483, 8360966, 16721932, 33443864, 66887728]

約数ペア:

[(1, 66887728), (2, 33443864), (4, 16721932), (8, 8360966), (16, 4180483), (41, 1631408), (82, 815704), (164, 407852), (328, 203926), (656, 101963)]