289772518

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{2621}}^1$

素因数の和:2832

約数の個数: 32

約数和(自身を含む): 509716800

約数和(自身を除く): 219944282

約数列:

[1, 2, 7, 14, 53, 106, 149, 298, 371, 742, 1043, 2086, 2621, 5242, 7897, 15794, 18347, 36694, 55279, 110558, 138913, 277826, 390529, 781058, 972391, 1944782, 2733703, 5467406, 20698037, 41396074, 144886259, 289772518]

約数ペア:

[(1, 289772518), (2, 144886259), (7, 41396074), (14, 20698037), (53, 5467406), (106, 2733703), (149, 1944782), (298, 972391), (371, 781058), (742, 390529), (1043, 277826), (2086, 138913), (2621, 110558), (5242, 55279), (7897, 36694), (15794, 18347)]