128892523

素因数分解:

${\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^2$

素因数の和:251

約数の個数: 18

約数和(自身を含む): 139980924

約数和(自身を除く): 11088401

約数列:

[1, 19, 67, 73, 361, 1273, 1387, 4891, 5329, 24187, 26353, 92929, 101251, 357043, 1765651, 1923769, 6783817, 128892523]

約数ペア:

[(1, 128892523), (19, 6783817), (67, 1923769), (73, 1765651), (361, 357043), (1273, 101251), (1387, 92929), (4891, 26353), (5329, 24187)]