25625556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 71277024

約数和(自身を除く): 45651468

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 326, 396, 397, 489, 652, 794, 978, 1191, 1467, 1588, 1793, 1956, 2382, 2934, 3573, 3586, 4367, 4764, 5379, 5868, 7146, 7172, 8734, 10758, 13101, 14292, 16137, 17468, 21516, 26202, 32274, 39303, 52404, 64548, 64711, 78606, 129422, 157212, 194133, 258844, 388266, 582399, 711821, 776532, 1164798, 1423642, 2135463, 2329596, 2847284, 4270926, 6406389, 8541852, 12812778, 25625556]

約数ペア:

[(1, 25625556), (2, 12812778), (3, 8541852), (4, 6406389), (6, 4270926), (9, 2847284), (11, 2329596), (12, 2135463), (18, 1423642), (22, 1164798), (33, 776532), (36, 711821), (44, 582399), (66, 388266), (99, 258844), (132, 194133), (163, 157212), (198, 129422), (326, 78606), (396, 64711), (397, 64548), (489, 52404), (652, 39303), (794, 32274), (978, 26202), (1191, 21516), (1467, 17468), (1588, 16137), (1793, 14292), (1956, 13101), (2382, 10758), (2934, 8734), (3573, 7172), (3586, 7146), (4367, 5868), (4764, 5379)]