31509428

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{73}}^1$

素因数の和:228

約数の個数: 36

約数和(自身を含む): 58787820

約数和(自身を除く): 27278392

約数列:

[1, 2, 4, 29, 58, 61, 73, 116, 122, 146, 244, 292, 1769, 2117, 3538, 3721, 4234, 4453, 7076, 7442, 8468, 8906, 14884, 17812, 107909, 129137, 215818, 258274, 271633, 431636, 516548, 543266, 1086532, 7877357, 15754714, 31509428]

約数ペア:

[(1, 31509428), (2, 15754714), (4, 7877357), (29, 1086532), (58, 543266), (61, 516548), (73, 431636), (116, 271633), (122, 258274), (146, 215818), (244, 129137), (292, 107909), (1769, 17812), (2117, 14884), (3538, 8906), (3721, 8468), (4234, 7442), (4453, 7076)]