138680048

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{51287}}^1$

素因数の和:51321

約数の個数: 30

約数和(自身を含む): 290956824

約数和(自身を除く): 152276776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 51287, 102574, 205148, 410296, 666731, 820592, 1333462, 2666924, 5333848, 8667503, 10667696, 17335006, 34670012, 69340024, 138680048]

約数ペア:

[(1, 138680048), (2, 69340024), (4, 34670012), (8, 17335006), (13, 10667696), (16, 8667503), (26, 5333848), (52, 2666924), (104, 1333462), (169, 820592), (208, 666731), (338, 410296), (676, 205148), (1352, 102574), (2704, 51287)]