51511565

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 75479040

約数和(自身を除く): 23967475

約数列:

[1, 5, 7, 19, 35, 71, 95, 133, 355, 497, 665, 1091, 1349, 2485, 5455, 6745, 7637, 9443, 20729, 38185, 47215, 77461, 103645, 145103, 387305, 542227, 725515, 1471759, 2711135, 7358795, 10302313, 51511565]

約数ペア:

[(1, 51511565), (5, 10302313), (7, 7358795), (19, 2711135), (35, 1471759), (71, 725515), (95, 542227), (133, 387305), (355, 145103), (497, 103645), (665, 77461), (1091, 47215), (1349, 38185), (2485, 20729), (5455, 9443), (6745, 7637)]