1285197838

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{1951}}^1\times {\mathrm{4639}}^1$

素因数の和:6663

約数の個数: 16

約数和(自身を含む): 1956372480

約数和(自身を除く): 671174642

約数列:

[1, 2, 71, 142, 1951, 3902, 4639, 9278, 138521, 277042, 329369, 658738, 9050689, 18101378, 642598919, 1285197838]

約数ペア:

[(1, 1285197838), (2, 642598919), (71, 18101378), (142, 9050689), (1951, 658738), (3902, 329369), (4639, 277042), (9278, 138521)]