28076015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 39363840

約数和(自身を除く): 11287825

約数列:

[1, 5, 11, 19, 55, 67, 95, 209, 335, 401, 737, 1045, 1273, 2005, 3685, 4411, 6365, 7619, 14003, 22055, 26867, 38095, 70015, 83809, 134335, 295537, 419045, 510473, 1477685, 2552365, 5615203, 28076015]

約数ペア:

[(1, 28076015), (5, 5615203), (11, 2552365), (19, 1477685), (55, 510473), (67, 419045), (95, 295537), (209, 134335), (335, 83809), (401, 70015), (737, 38095), (1045, 26867), (1273, 22055), (2005, 14003), (3685, 7619), (4411, 6365)]