257729808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{109579}}^1$

素因数の和:109604

約数の個数: 60

約数和(自身を含む): 774511440

約数和(自身を除く): 516781632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 392, 588, 784, 1176, 2352, 109579, 219158, 328737, 438316, 657474, 767053, 876632, 1314948, 1534106, 1753264, 2301159, 2629896, 3068212, 4602318, 5259792, 5369371, 6136424, 9204636, 10738742, 12272848, 16108113, 18409272, 21477484, 32216226, 36818544, 42954968, 64432452, 85909936, 128864904, 257729808]

約数ペア:

[(1, 257729808), (2, 128864904), (3, 85909936), (4, 64432452), (6, 42954968), (7, 36818544), (8, 32216226), (12, 21477484), (14, 18409272), (16, 16108113), (21, 12272848), (24, 10738742), (28, 9204636), (42, 6136424), (48, 5369371), (49, 5259792), (56, 4602318), (84, 3068212), (98, 2629896), (112, 2301159), (147, 1753264), (168, 1534106), (196, 1314948), (294, 876632), (336, 767053), (392, 657474), (588, 438316), (784, 328737), (1176, 219158), (2352, 109579)]