253175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 24

約数和(自身を含む): 364560

約数和(自身を除く): 111385

約数列:

[1, 5, 13, 19, 25, 41, 65, 95, 205, 247, 325, 475, 533, 779, 1025, 1235, 2665, 3895, 6175, 10127, 13325, 19475, 50635, 253175]

約数ペア:

[(1, 253175), (5, 50635), (13, 19475), (19, 13325), (25, 10127), (41, 6175), (65, 3895), (95, 2665), (205, 1235), (247, 1025), (325, 779), (475, 533)]