203499025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1667}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 266813280

約数和(自身を除く): 63314255

約数列:

[1, 5, 19, 25, 95, 257, 475, 1285, 1667, 4883, 6425, 8335, 24415, 31673, 41675, 122075, 158365, 428419, 791825, 2142095, 8139961, 10710475, 40699805, 203499025]

約数ペア:

[(1, 203499025), (5, 40699805), (19, 10710475), (25, 8139961), (95, 2142095), (257, 791825), (475, 428419), (1285, 158365), (1667, 122075), (4883, 41675), (6425, 31673), (8335, 24415)]