131545708

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 269194240

約数和(自身を除く): 137648532

約数列:

[1, 2, 4, 7, 14, 28, 73, 139, 146, 278, 292, 463, 511, 556, 926, 973, 1022, 1852, 1946, 2044, 3241, 3892, 6482, 10147, 12964, 20294, 33799, 40588, 64357, 67598, 71029, 128714, 135196, 142058, 236593, 257428, 284116, 450499, 473186, 900998, 946372, 1801996, 4698061, 9396122, 18792244, 32886427, 65772854, 131545708]

約数ペア:

[(1, 131545708), (2, 65772854), (4, 32886427), (7, 18792244), (14, 9396122), (28, 4698061), (73, 1801996), (139, 946372), (146, 900998), (278, 473186), (292, 450499), (463, 284116), (511, 257428), (556, 236593), (926, 142058), (973, 135196), (1022, 128714), (1852, 71029), (1946, 67598), (2044, 64357), (3241, 40588), (3892, 33799), (6482, 20294), (10147, 12964)]