257628168

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{170389}}^1$

素因数の和:170411

約数の個数: 64

約数和(自身を含む): 817872000

約数和(自身を除く): 560243832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 170389, 340778, 511167, 681556, 1022334, 1192723, 1363112, 1533501, 2044668, 2385446, 3067002, 3578169, 4089336, 4600503, 4770892, 6134004, 7156338, 9201006, 9541784, 10734507, 12268008, 14312676, 18402012, 21469014, 28625352, 32203521, 36804024, 42938028, 64407042, 85876056, 128814084, 257628168]

約数ペア:

[(1, 257628168), (2, 128814084), (3, 85876056), (4, 64407042), (6, 42938028), (7, 36804024), (8, 32203521), (9, 28625352), (12, 21469014), (14, 18402012), (18, 14312676), (21, 12268008), (24, 10734507), (27, 9541784), (28, 9201006), (36, 7156338), (42, 6134004), (54, 4770892), (56, 4600503), (63, 4089336), (72, 3578169), (84, 3067002), (108, 2385446), (126, 2044668), (168, 1533501), (189, 1363112), (216, 1192723), (252, 1022334), (378, 681556), (504, 511167), (756, 340778), (1512, 170389)]