381505579

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{947}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 496903680

約数和(自身を除く): 115398101

約数列:

[1, 7, 13, 19, 91, 133, 233, 247, 947, 1631, 1729, 3029, 4427, 6629, 12311, 17993, 21203, 30989, 57551, 86177, 125951, 220651, 233909, 402857, 1544557, 1637363, 2868463, 4192369, 20079241, 29346583, 54500797, 381505579]

約数ペア:

[(1, 381505579), (7, 54500797), (13, 29346583), (19, 20079241), (91, 4192369), (133, 2868463), (233, 1637363), (247, 1544557), (947, 402857), (1631, 233909), (1729, 220651), (3029, 125951), (4427, 86177), (6629, 57551), (12311, 30989), (17993, 21203)]