211025612

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 431278848

約数和(自身を除く): 220253236

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 197, 268, 394, 469, 571, 788, 938, 1142, 1379, 1876, 2284, 2758, 3997, 5516, 7994, 13199, 15988, 26398, 38257, 52796, 76514, 92393, 112487, 153028, 184786, 224974, 267799, 369572, 449948, 535598, 787409, 1071196, 1574818, 3149636, 7536629, 15073258, 30146516, 52756403, 105512806, 211025612]

約数ペア:

[(1, 211025612), (2, 105512806), (4, 52756403), (7, 30146516), (14, 15073258), (28, 7536629), (67, 3149636), (134, 1574818), (197, 1071196), (268, 787409), (394, 535598), (469, 449948), (571, 369572), (788, 267799), (938, 224974), (1142, 184786), (1379, 153028), (1876, 112487), (2284, 92393), (2758, 76514), (3997, 52796), (5516, 38257), (7994, 26398), (13199, 15988)]