280693712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{1571}}^1$

素因数の和:2451

約数の個数: 40

約数和(自身を含む): 586733280

約数和(自身を除く): 306039568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 859, 1571, 1718, 3142, 3436, 6284, 6872, 11167, 12568, 13744, 20423, 22334, 25136, 40846, 44668, 81692, 89336, 163384, 178672, 326768, 1349489, 2698978, 5397956, 10795912, 17543357, 21591824, 35086714, 70173428, 140346856, 280693712]

約数ペア:

[(1, 280693712), (2, 140346856), (4, 70173428), (8, 35086714), (13, 21591824), (16, 17543357), (26, 10795912), (52, 5397956), (104, 2698978), (208, 1349489), (859, 326768), (1571, 178672), (1718, 163384), (3142, 89336), (3436, 81692), (6284, 44668), (6872, 40846), (11167, 25136), (12568, 22334), (13744, 20423)]