257821116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{180547}}^1$

素因数の和:180578

約数の個数: 48

約数和(自身を含む): 727969536

約数和(自身を除く): 470148420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 180547, 361094, 541641, 722188, 1083282, 1263829, 2166564, 2527658, 3069299, 3791487, 5055316, 6138598, 7582974, 9207897, 12277196, 15165948, 18415794, 21485093, 36831588, 42970186, 64455279, 85940372, 128910558, 257821116]

約数ペア:

[(1, 257821116), (2, 128910558), (3, 85940372), (4, 64455279), (6, 42970186), (7, 36831588), (12, 21485093), (14, 18415794), (17, 15165948), (21, 12277196), (28, 9207897), (34, 7582974), (42, 6138598), (51, 5055316), (68, 3791487), (84, 3069299), (102, 2527658), (119, 2166564), (204, 1263829), (238, 1083282), (357, 722188), (476, 541641), (714, 361094), (1428, 180547)]