66430384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218521}}^1$

素因数の和:218548

約数の個数: 20

約数和(自身を含む): 135483640

約数和(自身を除く): 69053256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218521, 437042, 874084, 1748168, 3496336, 4151899, 8303798, 16607596, 33215192, 66430384]

約数ペア:

[(1, 66430384), (2, 33215192), (4, 16607596), (8, 8303798), (16, 4151899), (19, 3496336), (38, 1748168), (76, 874084), (152, 437042), (304, 218521)]