289940996

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{11471}}^1$

素因数の和:11635

約数の個数: 24

約数和(自身を含む): 520369920

約数和(自身を除く): 230428924

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 6319, 11471, 12638, 22942, 25276, 45884, 814441, 1020919, 1628882, 2041838, 3257764, 4083676, 72485249, 144970498, 289940996]

約数ペア:

[(1, 289940996), (2, 144970498), (4, 72485249), (71, 4083676), (89, 3257764), (142, 2041838), (178, 1628882), (284, 1020919), (356, 814441), (6319, 45884), (11471, 25276), (12638, 22942)]