278328245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6091}}^1$

素因数の和:6165

約数の個数: 32

約数和(自身を含む): 388913280

約数和(自身を除く): 110585035

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 1235, 2405, 3515, 6091, 9139, 30455, 45695, 79183, 115729, 225367, 395915, 578645, 1126835, 1504477, 2929771, 4281973, 7522385, 14648855, 21409865, 55665649, 278328245]

約数ペア:

[(1, 278328245), (5, 55665649), (13, 21409865), (19, 14648855), (37, 7522385), (65, 4281973), (95, 2929771), (185, 1504477), (247, 1126835), (481, 578645), (703, 395915), (1235, 225367), (2405, 115729), (3515, 79183), (6091, 45695), (9139, 30455)]