12691438844

素因数分解:

$2^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{397253}}^1$

素因数の和:397434

約数の個数: 36

約数和(自身を含む): 25994712744

約数和(自身を除く): 13303273900

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 326, 652, 1141, 2282, 4564, 7987, 15974, 31948, 397253, 794506, 1589012, 2780771, 5561542, 11123084, 19465397, 38930794, 64752239, 77861588, 129504478, 259008956, 453265673, 906531346, 1813062692, 3172859711, 6345719422, 12691438844]

約数ペア:

[(1, 12691438844), (2, 6345719422), (4, 3172859711), (7, 1813062692), (14, 906531346), (28, 453265673), (49, 259008956), (98, 129504478), (163, 77861588), (196, 64752239), (326, 38930794), (652, 19465397), (1141, 11123084), (2282, 5561542), (4564, 2780771), (7987, 1589012), (15974, 794506), (31948, 397253)]