215801384

素因数分解:

$2^3\times {\mathrm{1307}}^1\times {\mathrm{20639}}^1$

素因数の和:21952

約数の個数: 16

約数和(自身を含む): 404956800

約数和(自身を除く): 189155416

約数列:

[1, 2, 4, 8, 1307, 2614, 5228, 10456, 20639, 41278, 82556, 165112, 26975173, 53950346, 107900692, 215801384]

約数ペア:

[(1, 215801384), (2, 107900692), (4, 53950346), (8, 26975173), (1307, 165112), (2614, 82556), (5228, 41278), (10456, 20639)]