201308285

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 258508800

約数和(自身を除く): 57200515

約数列:

[1, 5, 29, 47, 109, 145, 235, 271, 545, 1355, 1363, 3161, 5123, 6815, 7859, 12737, 15805, 25615, 29539, 39295, 63685, 147695, 148567, 369373, 742835, 856631, 1388333, 1846865, 4283155, 6941665, 40261657, 201308285]

約数ペア:

[(1, 201308285), (5, 40261657), (29, 6941665), (47, 4283155), (109, 1846865), (145, 1388333), (235, 856631), (271, 742835), (545, 369373), (1355, 148567), (1363, 147695), (3161, 63685), (5123, 39295), (6815, 29539), (7859, 25615), (12737, 15805)]