199484545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2473}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 276810912

約数和(自身を除く): 77326367

約数列:

[1, 5, 13, 17, 65, 73, 85, 221, 365, 949, 1105, 1241, 2473, 4745, 6205, 12365, 16133, 32149, 42041, 80665, 160745, 180529, 210205, 546533, 902645, 2346877, 2732665, 3068993, 11734385, 15344965, 39896909, 199484545]

約数ペア:

[(1, 199484545), (5, 39896909), (13, 15344965), (17, 11734385), (65, 3068993), (73, 2732665), (85, 2346877), (221, 902645), (365, 546533), (949, 210205), (1105, 180529), (1241, 160745), (2473, 80665), (4745, 42041), (6205, 32149), (12365, 16133)]