27220228

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 56504448

約数和(自身を除く): 29284220

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 131, 164, 181, 262, 287, 362, 524, 574, 724, 917, 1148, 1267, 1834, 2534, 3668, 5068, 5371, 7421, 10742, 14842, 21484, 23711, 29684, 37597, 47422, 51947, 75194, 94844, 103894, 150388, 165977, 207788, 331954, 663908, 972151, 1944302, 3888604, 6805057, 13610114, 27220228]

約数ペア:

[(1, 27220228), (2, 13610114), (4, 6805057), (7, 3888604), (14, 1944302), (28, 972151), (41, 663908), (82, 331954), (131, 207788), (164, 165977), (181, 150388), (262, 103894), (287, 94844), (362, 75194), (524, 51947), (574, 47422), (724, 37597), (917, 29684), (1148, 23711), (1267, 21484), (1834, 14842), (2534, 10742), (3668, 7421), (5068, 5371)]