215561384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1418167}}^1$

素因数の和:1418192

約数の個数: 16

約数和(自身を含む): 425450400

約数和(自身を除く): 209889016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1418167, 2836334, 5672668, 11345336, 26945173, 53890346, 107780692, 215561384]

約数ペア:

[(1, 215561384), (2, 107780692), (4, 53890346), (8, 26945173), (19, 11345336), (38, 5672668), (76, 2836334), (152, 1418167)]