1289969156

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{780853}}^1$

素因数の和:780923

約数の個数: 24

約数和(自身を含む): 2623669440

約数和(自身を除く): 1333700284

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 780853, 1561706, 3123412, 5465971, 10931942, 21863884, 46070327, 92140654, 184281308, 322492289, 644984578, 1289969156]

約数ペア:

[(1, 1289969156), (2, 644984578), (4, 322492289), (7, 184281308), (14, 92140654), (28, 46070327), (59, 21863884), (118, 10931942), (236, 5465971), (413, 3123412), (826, 1561706), (1652, 780853)]