221625412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{2467}}^1$

素因数の和:3115

約数の個数: 24

約数和(自身を含む): 399144704

約数和(自身を除く): 177519292

約数列:

[1, 2, 4, 37, 74, 148, 607, 1214, 2428, 2467, 4934, 9868, 22459, 44918, 89836, 91279, 182558, 365116, 1497469, 2994938, 5989876, 55406353, 110812706, 221625412]

約数ペア:

[(1, 221625412), (2, 110812706), (4, 55406353), (37, 5989876), (74, 2994938), (148, 1497469), (607, 365116), (1214, 182558), (2428, 91279), (2467, 89836), (4934, 44918), (9868, 22459)]