2012681255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 2779946400

約数和(自身を除く): 767265145

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 307, 349, 1105, 1445, 1535, 1745, 3757, 3991, 4537, 5219, 5933, 18785, 19955, 22685, 26095, 29665, 67847, 77129, 88723, 100861, 107143, 339235, 385645, 443615, 504305, 535715, 1153399, 1311193, 1392859, 1821431, 5766995, 6555965, 6964295, 9107155, 23678603, 30964327, 118393015, 154821635, 402536251, 2012681255]

約数ペア:

[(1, 2012681255), (5, 402536251), (13, 154821635), (17, 118393015), (65, 30964327), (85, 23678603), (221, 9107155), (289, 6964295), (307, 6555965), (349, 5766995), (1105, 1821431), (1445, 1392859), (1535, 1311193), (1745, 1153399), (3757, 535715), (3991, 504305), (4537, 443615), (5219, 385645), (5933, 339235), (18785, 107143), (19955, 100861), (22685, 88723), (26095, 77129), (29665, 67847)]