2000990719

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{4967}}^1$

素因数の和:5239

約数の個数: 32

約数和(自身を含む): 2604026880

約数和(自身を除く): 603036161

約数列:

[1, 7, 13, 19, 91, 133, 233, 247, 1631, 1729, 3029, 4427, 4967, 21203, 30989, 34769, 57551, 64571, 94373, 402857, 451997, 660611, 1157311, 1226849, 8101177, 8587943, 15045043, 21988909, 105315301, 153922363, 285855817, 2000990719]

約数ペア:

[(1, 2000990719), (7, 285855817), (13, 153922363), (19, 105315301), (91, 21988909), (133, 15045043), (233, 8587943), (247, 8101177), (1631, 1226849), (1729, 1157311), (3029, 660611), (4427, 451997), (4967, 402857), (21203, 94373), (30989, 64571), (34769, 57551)]