1278972385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1\times {\mathrm{8419}}^1$

素因数の和:9768

約数の個数: 16

約数和(自身を含む): 1602898560

約数和(自身を除く): 323926175

約数列:

[1, 5, 23, 115, 1321, 6605, 8419, 30383, 42095, 151915, 193637, 968185, 11121499, 55607495, 255794477, 1278972385]

約数ペア:

[(1, 1278972385), (5, 255794477), (23, 55607495), (115, 11121499), (1321, 968185), (6605, 193637), (8419, 151915), (30383, 42095)]