646488

素因数分解:

$2^3\times 3^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 1864800

約数和(自身を除く): 1218312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 73, 82, 108, 123, 146, 164, 216, 219, 246, 292, 328, 369, 438, 492, 584, 657, 738, 876, 984, 1107, 1314, 1476, 1752, 1971, 2214, 2628, 2952, 2993, 3942, 4428, 5256, 5986, 7884, 8856, 8979, 11972, 15768, 17958, 23944, 26937, 35916, 53874, 71832, 80811, 107748, 161622, 215496, 323244, 646488]

約数ペア:

[(1, 646488), (2, 323244), (3, 215496), (4, 161622), (6, 107748), (8, 80811), (9, 71832), (12, 53874), (18, 35916), (24, 26937), (27, 23944), (36, 17958), (41, 15768), (54, 11972), (72, 8979), (73, 8856), (82, 7884), (108, 5986), (123, 5256), (146, 4428), (164, 3942), (216, 2993), (219, 2952), (246, 2628), (292, 2214), (328, 1971), (369, 1752), (438, 1476), (492, 1314), (584, 1107), (657, 984), (738, 876)]