199559451

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 349798400

約数和(自身を除く): 150238949

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 79, 91, 133, 237, 247, 273, 399, 487, 553, 741, 1027, 1461, 1501, 1659, 1729, 3081, 3409, 4503, 5187, 6331, 7189, 9253, 10227, 10507, 18993, 19513, 21567, 27759, 31521, 38473, 44317, 58539, 64771, 115419, 120289, 132951, 136591, 194313, 269311, 360867, 409773, 500149, 730987, 807933, 842023, 1500447, 2192961, 2526069, 3501043, 5116909, 9502831, 10503129, 15350727, 28508493, 66519817, 199559451]

約数ペア:

[(1, 199559451), (3, 66519817), (7, 28508493), (13, 15350727), (19, 10503129), (21, 9502831), (39, 5116909), (57, 3501043), (79, 2526069), (91, 2192961), (133, 1500447), (237, 842023), (247, 807933), (273, 730987), (399, 500149), (487, 409773), (553, 360867), (741, 269311), (1027, 194313), (1461, 136591), (1501, 132951), (1659, 120289), (1729, 115419), (3081, 64771), (3409, 58539), (4503, 44317), (5187, 38473), (6331, 31521), (7189, 27759), (9253, 21567), (10227, 19513), (10507, 18993)]