78917811

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2383}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 128163840

約数和(自身を除く): 49246029

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1577, 1743, 2383, 4731, 7149, 11039, 16681, 33117, 45277, 50043, 135831, 197789, 316939, 593367, 950817, 1384523, 3757991, 4153569, 11273973, 26305937, 78917811]

約数ペア:

[(1, 78917811), (3, 26305937), (7, 11273973), (19, 4153569), (21, 3757991), (57, 1384523), (83, 950817), (133, 593367), (249, 316939), (399, 197789), (581, 135831), (1577, 50043), (1743, 45277), (2383, 33117), (4731, 16681), (7149, 11039)]