398916252

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{25127}}^1$

素因数の和:25157

約数の個数: 90

約数和(自身を含む): 1213154712

約数和(自身を除く): 814238460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 25127, 50254, 75381, 100508, 150762, 175889, 226143, 301524, 351778, 452286, 527667, 678429, 703556, 904572, 1055334, 1231223, 1356858, 1583001, 2035287, 2110668, 2462446, 2713716, 3166002, 3693669, 4070574, 4749003, 4924892, 6332004, 7387338, 8141148, 9498006, 11081007, 14247009, 14774676, 18996012, 22162014, 28494018, 33243021, 44324028, 56988036, 66486042, 99729063, 132972084, 199458126, 398916252]

約数ペア:

[(1, 398916252), (2, 199458126), (3, 132972084), (4, 99729063), (6, 66486042), (7, 56988036), (9, 44324028), (12, 33243021), (14, 28494018), (18, 22162014), (21, 18996012), (27, 14774676), (28, 14247009), (36, 11081007), (42, 9498006), (49, 8141148), (54, 7387338), (63, 6332004), (81, 4924892), (84, 4749003), (98, 4070574), (108, 3693669), (126, 3166002), (147, 2713716), (162, 2462446), (189, 2110668), (196, 2035287), (252, 1583001), (294, 1356858), (324, 1231223), (378, 1055334), (441, 904572), (567, 703556), (588, 678429), (756, 527667), (882, 452286), (1134, 351778), (1323, 301524), (1764, 226143), (2268, 175889), (2646, 150762), (3969, 100508), (5292, 75381), (7938, 50254), (15876, 25127)]