189453313

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 235811840

約数和(自身を除く): 46358527

約数列:

[1, 7, 19, 43, 133, 157, 211, 301, 817, 1099, 1477, 2983, 4009, 5719, 6751, 9073, 20881, 28063, 33127, 47257, 63511, 128269, 172387, 231889, 629413, 897883, 1206709, 1424461, 4405891, 9971227, 27064759, 189453313]

約数ペア:

[(1, 189453313), (7, 27064759), (19, 9971227), (43, 4405891), (133, 1424461), (157, 1206709), (211, 897883), (301, 629413), (817, 231889), (1099, 172387), (1477, 128269), (2983, 63511), (4009, 47257), (5719, 33127), (6751, 28063), (9073, 20881)]