256423916

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{6719}}^1$

素因数の和:6806

約数の個数: 48

約数和(自身を含む): 541900800

約数和(自身を除く): 285476884

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 658, 812, 1316, 1363, 2726, 5452, 6719, 9541, 13438, 19082, 26876, 38164, 47033, 94066, 188132, 194851, 315793, 389702, 631586, 779404, 1263172, 1363957, 2210551, 2727914, 4421102, 5455828, 8842204, 9157997, 18315994, 36631988, 64105979, 128211958, 256423916]

約数ペア:

[(1, 256423916), (2, 128211958), (4, 64105979), (7, 36631988), (14, 18315994), (28, 9157997), (29, 8842204), (47, 5455828), (58, 4421102), (94, 2727914), (116, 2210551), (188, 1363957), (203, 1263172), (329, 779404), (406, 631586), (658, 389702), (812, 315793), (1316, 194851), (1363, 188132), (2726, 94066), (5452, 47033), (6719, 38164), (9541, 26876), (13438, 19082)]