257833492

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 559851264

約数和(自身を除く): 302017772

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 223, 238, 347, 446, 476, 694, 833, 892, 1388, 1561, 1666, 2429, 3122, 3332, 3791, 4858, 5899, 6244, 7582, 9716, 10927, 11798, 15164, 17003, 21854, 23596, 26537, 34006, 41293, 43708, 53074, 68012, 77381, 82586, 106148, 154762, 165172, 185759, 289051, 309524, 371518, 541667, 578102, 743036, 1083334, 1156204, 1315477, 2166668, 2630954, 3791669, 5261908, 7583338, 9208339, 15166676, 18416678, 36833356, 64458373, 128916746, 257833492]

約数ペア:

[(1, 257833492), (2, 128916746), (4, 64458373), (7, 36833356), (14, 18416678), (17, 15166676), (28, 9208339), (34, 7583338), (49, 5261908), (68, 3791669), (98, 2630954), (119, 2166668), (196, 1315477), (223, 1156204), (238, 1083334), (347, 743036), (446, 578102), (476, 541667), (694, 371518), (833, 309524), (892, 289051), (1388, 185759), (1561, 165172), (1666, 154762), (2429, 106148), (3122, 82586), (3332, 77381), (3791, 68012), (4858, 53074), (5899, 43708), (6244, 41293), (7582, 34006), (9716, 26537), (10927, 23596), (11798, 21854), (15164, 17003)]