978426415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 1261578240

約数和(自身を除く): 283151825

約数列:

[1, 5, 17, 85, 127, 233, 389, 635, 1165, 1945, 2159, 3961, 6613, 10795, 19805, 29591, 33065, 49403, 90637, 147955, 247015, 453185, 503047, 839851, 1540829, 2515235, 4199255, 7704145, 11510899, 57554495, 195685283, 978426415]

約数ペア:

[(1, 978426415), (5, 195685283), (17, 57554495), (85, 11510899), (127, 7704145), (233, 4199255), (389, 2515235), (635, 1540829), (1165, 839851), (1945, 503047), (2159, 453185), (3961, 247015), (6613, 147955), (10795, 90637), (19805, 49403), (29591, 33065)]