213679249

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 272111616

約数和(自身を除く): 58432367

約数列:

[1, 7, 31, 41, 47, 49, 73, 217, 287, 329, 511, 1271, 1457, 1519, 1927, 2009, 2263, 2303, 2993, 3431, 3577, 8897, 10199, 13489, 15841, 20951, 24017, 59737, 62279, 71393, 92783, 94423, 106361, 110887, 140671, 146657, 168119, 418159, 649481, 744527, 984697, 2927113, 4360801, 4546367, 5211689, 6892879, 30525607, 213679249]

約数ペア:

[(1, 213679249), (7, 30525607), (31, 6892879), (41, 5211689), (47, 4546367), (49, 4360801), (73, 2927113), (217, 984697), (287, 744527), (329, 649481), (511, 418159), (1271, 168119), (1457, 146657), (1519, 140671), (1927, 110887), (2009, 106361), (2263, 94423), (2303, 92783), (2993, 71393), (3431, 62279), (3577, 59737), (8897, 24017), (10199, 20951), (13489, 15841)]