257418812

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4549}}^1$

素因数の和:4650

約数の個数: 48

約数和(自身を含む): 538137600

約数和(自身を除く): 280718788

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 86, 94, 172, 188, 301, 329, 602, 658, 1204, 1316, 2021, 4042, 4549, 8084, 9098, 14147, 18196, 28294, 31843, 56588, 63686, 127372, 195607, 213803, 391214, 427606, 782428, 855212, 1369249, 1496621, 2738498, 2993242, 5476996, 5986484, 9193529, 18387058, 36774116, 64354703, 128709406, 257418812]

約数ペア:

[(1, 257418812), (2, 128709406), (4, 64354703), (7, 36774116), (14, 18387058), (28, 9193529), (43, 5986484), (47, 5476996), (86, 2993242), (94, 2738498), (172, 1496621), (188, 1369249), (301, 855212), (329, 782428), (602, 427606), (658, 391214), (1204, 213803), (1316, 195607), (2021, 127372), (4042, 63686), (4549, 56588), (8084, 31843), (9098, 28294), (14147, 18196)]