25891348

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 27814892

約数列:

[1, 2, 4, 7, 14, 28, 53, 73, 106, 146, 212, 239, 292, 371, 478, 511, 742, 956, 1022, 1484, 1673, 2044, 3346, 3869, 6692, 7738, 12667, 15476, 17447, 25334, 27083, 34894, 50668, 54166, 69788, 88669, 108332, 122129, 177338, 244258, 354676, 488516, 924691, 1849382, 3698764, 6472837, 12945674, 25891348]

約数ペア:

[(1, 25891348), (2, 12945674), (4, 6472837), (7, 3698764), (14, 1849382), (28, 924691), (53, 488516), (73, 354676), (106, 244258), (146, 177338), (212, 122129), (239, 108332), (292, 88669), (371, 69788), (478, 54166), (511, 50668), (742, 34894), (956, 27083), (1022, 25334), (1484, 17447), (1673, 15476), (2044, 12667), (3346, 7738), (3869, 6692)]