131787325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 180613440

約数和(自身を除く): 48826115

約数列:

[1, 5, 19, 25, 41, 67, 95, 101, 205, 335, 475, 505, 779, 1025, 1273, 1675, 1919, 2525, 2747, 3895, 4141, 6365, 6767, 9595, 13735, 19475, 20705, 31825, 33835, 47975, 52193, 68675, 78679, 103525, 128573, 169175, 260965, 277447, 393395, 642865, 1304825, 1387235, 1966975, 3214325, 5271493, 6936175, 26357465, 131787325]

約数ペア:

[(1, 131787325), (5, 26357465), (19, 6936175), (25, 5271493), (41, 3214325), (67, 1966975), (95, 1387235), (101, 1304825), (205, 642865), (335, 393395), (475, 277447), (505, 260965), (779, 169175), (1025, 128573), (1273, 103525), (1675, 78679), (1919, 68675), (2525, 52193), (2747, 47975), (3895, 33835), (4141, 31825), (6365, 20705), (6767, 19475), (9595, 13735)]