78257265

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 127961856

約数和(自身を除く): 49704591

約数列:

[1, 3, 5, 15, 71, 197, 213, 355, 373, 591, 985, 1065, 1119, 1865, 2955, 5595, 13987, 26483, 41961, 69935, 73481, 79449, 132415, 209805, 220443, 367405, 397245, 1102215, 5217151, 15651453, 26085755, 78257265]

約数ペア:

[(1, 78257265), (3, 26085755), (5, 15651453), (15, 5217151), (71, 1102215), (197, 397245), (213, 367405), (355, 220443), (373, 209805), (591, 132415), (985, 79449), (1065, 73481), (1119, 69935), (1865, 41961), (2955, 26483), (5595, 13987)]