399379898

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 622036800

約数和(自身を除く): 222656902

約数列:

[1, 2, 67, 83, 134, 149, 166, 241, 298, 482, 5561, 9983, 11122, 12367, 16147, 19966, 20003, 24734, 32294, 35909, 40006, 71818, 828589, 1340201, 1657178, 2405903, 2680402, 2980447, 4811806, 5960894, 199689949, 399379898]

約数ペア:

[(1, 399379898), (2, 199689949), (67, 5960894), (83, 4811806), (134, 2980447), (149, 2680402), (166, 2405903), (241, 1657178), (298, 1340201), (482, 828589), (5561, 71818), (9983, 40006), (11122, 35909), (12367, 32294), (16147, 24734), (19966, 20003)]