64815422

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1753}}^1$

素因数の和:1920

約数の個数: 32

約数和(自身を含む): 117868800

約数和(自身を除く): 53053378

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1753, 1946, 2641, 3506, 5282, 12271, 18487, 24542, 33307, 36974, 66614, 233149, 243667, 466298, 487334, 1705669, 3411338, 4629673, 9259346, 32407711, 64815422]

約数ペア:

[(1, 64815422), (2, 32407711), (7, 9259346), (14, 4629673), (19, 3411338), (38, 1705669), (133, 487334), (139, 466298), (266, 243667), (278, 233149), (973, 66614), (1753, 36974), (1946, 33307), (2641, 24542), (3506, 18487), (5282, 12271)]