639345315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 1193472000

約数和(自身を除く): 554126685

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 239, 349, 365, 511, 717, 1047, 1095, 1195, 1533, 1673, 1745, 2443, 2555, 3585, 5019, 5235, 7329, 7665, 8365, 12215, 17447, 25095, 25477, 36645, 52341, 76431, 83411, 87235, 122129, 127385, 178339, 250233, 261705, 366387, 382155, 417055, 535017, 583877, 610645, 891695, 1251165, 1751631, 1831935, 2675085, 2919385, 6089003, 8758155, 18267009, 30445015, 42623021, 91335045, 127869063, 213115105, 639345315]

約数ペア:

[(1, 639345315), (3, 213115105), (5, 127869063), (7, 91335045), (15, 42623021), (21, 30445015), (35, 18267009), (73, 8758155), (105, 6089003), (219, 2919385), (239, 2675085), (349, 1831935), (365, 1751631), (511, 1251165), (717, 891695), (1047, 610645), (1095, 583877), (1195, 535017), (1533, 417055), (1673, 382155), (1745, 366387), (2443, 261705), (2555, 250233), (3585, 178339), (5019, 127385), (5235, 122129), (7329, 87235), (7665, 83411), (8365, 76431), (12215, 52341), (17447, 36645), (25095, 25477)]