278166019105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{24979}}^1$

素因数の和:25214

約数の個数: 64

約数和(自身を含む): 386762342400

約数和(自身を除く): 108596323295

約数列:

[1, 5, 13, 19, 65, 71, 95, 127, 247, 355, 635, 923, 1235, 1349, 1651, 2413, 4615, 6745, 8255, 9017, 12065, 17537, 24979, 31369, 45085, 87685, 117221, 124895, 156845, 171323, 324727, 474601, 586105, 856615, 1623635, 1773509, 2227199, 2373005, 3172333, 6169813, 8867545, 11135995, 15861665, 23055617, 30849065, 33696671, 41240329, 60274327, 115278085, 168483355, 206201645, 225235643, 301371635, 438056723, 783566251, 1126178215, 2190283615, 2928063359, 3917831255, 4279477217, 14640316795, 21397386085, 55633203821, 278166019105]

約数ペア:

[(1, 278166019105), (5, 55633203821), (13, 21397386085), (19, 14640316795), (65, 4279477217), (71, 3917831255), (95, 2928063359), (127, 2190283615), (247, 1126178215), (355, 783566251), (635, 438056723), (923, 301371635), (1235, 225235643), (1349, 206201645), (1651, 168483355), (2413, 115278085), (4615, 60274327), (6745, 41240329), (8255, 33696671), (9017, 30849065), (12065, 23055617), (17537, 15861665), (24979, 11135995), (31369, 8867545), (45085, 6169813), (87685, 3172333), (117221, 2373005), (124895, 2227199), (156845, 1773509), (171323, 1623635), (324727, 856615), (474601, 586105)]