248906042

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 493378560

約数和(自身を除く): 244472518

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 257, 266, 331, 418, 514, 662, 1463, 1799, 2317, 2827, 2926, 3598, 3641, 4634, 4883, 5654, 6289, 7282, 9766, 12578, 19789, 25487, 34181, 39578, 44023, 50974, 53713, 68362, 69179, 85067, 88046, 107426, 138358, 170134, 375991, 484253, 595469, 751982, 935737, 968506, 1190938, 1616273, 1871474, 3232546, 6550159, 11313911, 13100318, 17779003, 22627822, 35558006, 124453021, 248906042]

約数ペア:

[(1, 248906042), (2, 124453021), (7, 35558006), (11, 22627822), (14, 17779003), (19, 13100318), (22, 11313911), (38, 6550159), (77, 3232546), (133, 1871474), (154, 1616273), (209, 1190938), (257, 968506), (266, 935737), (331, 751982), (418, 595469), (514, 484253), (662, 375991), (1463, 170134), (1799, 138358), (2317, 107426), (2827, 88046), (2926, 85067), (3598, 69179), (3641, 68362), (4634, 53713), (4883, 50974), (5654, 44023), (6289, 39578), (7282, 34181), (9766, 25487), (12578, 19789)]