131921842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 216901440

約数和(自身を除く): 84979598

約数列:

[1, 2, 13, 26, 139, 173, 211, 278, 346, 422, 1807, 2249, 2743, 3614, 4498, 5486, 24047, 29329, 36503, 48094, 58658, 73006, 312611, 381277, 474539, 625222, 762554, 949078, 5073917, 10147834, 65960921, 131921842]

約数ペア:

[(1, 131921842), (2, 65960921), (13, 10147834), (26, 5073917), (139, 949078), (173, 762554), (211, 625222), (278, 474539), (346, 381277), (422, 312611), (1807, 73006), (2249, 58658), (2743, 48094), (3614, 36503), (4498, 29329), (5486, 24047)]