1387408048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6670231}}^1$

素因数の和:6670252

約数の個数: 20

約数和(自身を含む): 2894880688

約数和(自身を除く): 1507472640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6670231, 13340462, 26680924, 53361848, 86713003, 106723696, 173426006, 346852012, 693704024, 1387408048]

約数ペア:

[(1, 1387408048), (2, 693704024), (4, 346852012), (8, 173426006), (13, 106723696), (16, 86713003), (26, 53361848), (52, 26680924), (104, 13340462), (208, 6670231)]