289249996

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{543703}}^1$

素因数の和:543733

約数の個数: 24

約数和(自身を含む): 608948480

約数和(自身を除く): 319698484

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 543703, 1087406, 2174812, 3805921, 7611842, 10330357, 15223684, 20660714, 41321428, 72312499, 144624998, 289249996]

約数ペア:

[(1, 289249996), (2, 144624998), (4, 72312499), (7, 41321428), (14, 20660714), (19, 15223684), (28, 10330357), (38, 7611842), (76, 3805921), (133, 2174812), (266, 1087406), (532, 543703)]