71673719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 84994560

約数和(自身を除く): 13320841

約数列:

[1, 13, 19, 61, 67, 71, 247, 793, 871, 923, 1159, 1273, 1349, 4087, 4331, 4757, 15067, 16549, 17537, 53131, 56303, 61841, 77653, 82289, 90383, 290177, 1009489, 1069757, 1174979, 3772301, 5513363, 71673719]

約数ペア:

[(1, 71673719), (13, 5513363), (19, 3772301), (61, 1174979), (67, 1069757), (71, 1009489), (247, 290177), (793, 90383), (871, 82289), (923, 77653), (1159, 61841), (1273, 56303), (1349, 53131), (4087, 17537), (4331, 16549), (4757, 15067)]