72857285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 94113792

約数和(自身を除く): 21256507

約数列:

[1, 5, 31, 47, 73, 137, 155, 235, 365, 685, 1457, 2263, 3431, 4247, 6439, 7285, 10001, 11315, 17155, 21235, 32195, 50005, 106361, 199609, 310031, 470047, 531805, 998045, 1550155, 2350235, 14571457, 72857285]

約数ペア:

[(1, 72857285), (5, 14571457), (31, 2350235), (47, 1550155), (73, 998045), (137, 531805), (155, 470047), (235, 310031), (365, 199609), (685, 106361), (1457, 50005), (2263, 32195), (3431, 21235), (4247, 17155), (6439, 11315), (7285, 10001)]