131331690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{208463}}^1$

素因数の和:208483

約数の個数: 48

約数和(自身を含む): 390244608

約数和(自身を除く): 258912918

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 208463, 416926, 625389, 1042315, 1250778, 1459241, 1876167, 2084630, 2918482, 3126945, 3752334, 4377723, 6253890, 7296205, 8755446, 9380835, 13133169, 14592410, 18761670, 21888615, 26266338, 43777230, 65665845, 131331690]

約数ペア:

[(1, 131331690), (2, 65665845), (3, 43777230), (5, 26266338), (6, 21888615), (7, 18761670), (9, 14592410), (10, 13133169), (14, 9380835), (15, 8755446), (18, 7296205), (21, 6253890), (30, 4377723), (35, 3752334), (42, 3126945), (45, 2918482), (63, 2084630), (70, 1876167), (90, 1459241), (105, 1250778), (126, 1042315), (210, 625389), (315, 416926), (630, 208463)]