688889245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 916012800

約数和(自身を除く): 227123555

約数列:

[1, 5, 11, 55, 113, 199, 557, 565, 995, 1243, 2189, 2785, 6127, 6215, 10945, 22487, 30635, 62941, 110843, 112435, 247357, 314705, 554215, 692351, 1219273, 1236785, 3461755, 6096365, 12525259, 62626295, 137777849, 688889245]

約数ペア:

[(1, 688889245), (5, 137777849), (11, 62626295), (55, 12525259), (113, 6096365), (199, 3461755), (557, 1236785), (565, 1219273), (995, 692351), (1243, 554215), (2189, 314705), (2785, 247357), (6127, 112435), (6215, 110843), (10945, 62941), (22487, 30635)]