421749724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{143063}}^1$

素因数の和:143145

約数の個数: 24

約数和(自身を含む): 817181568

約数和(自身を除く): 395431844

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 143063, 286126, 572252, 1573693, 3147386, 6294772, 9585221, 19170442, 38340884, 105437431, 210874862, 421749724]

約数ペア:

[(1, 421749724), (2, 210874862), (4, 105437431), (11, 38340884), (22, 19170442), (44, 9585221), (67, 6294772), (134, 3147386), (268, 1573693), (737, 572252), (1474, 286126), (2948, 143063)]