28393336945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{260573}}^1$

素因数の和:260665

約数の個数: 32

約数和(自身を含む): 38022958080

約数和(自身を除く): 9629621135

約数列:

[1, 5, 19, 31, 37, 95, 155, 185, 589, 703, 1147, 2945, 3515, 5735, 21793, 108965, 260573, 1302865, 4950887, 8077763, 9641201, 24754435, 40388815, 48206005, 153477497, 183182819, 298877231, 767387485, 915914095, 1494386155, 5678667389, 28393336945]

約数ペア:

[(1, 28393336945), (5, 5678667389), (19, 1494386155), (31, 915914095), (37, 767387485), (95, 298877231), (155, 183182819), (185, 153477497), (589, 48206005), (703, 40388815), (1147, 24754435), (2945, 9641201), (3515, 8077763), (5735, 4950887), (21793, 1302865), (108965, 260573)]