257615932

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 552152160

約数和(自身を除く): 294536228

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 61, 98, 116, 122, 196, 203, 244, 406, 427, 743, 812, 854, 1421, 1486, 1708, 1769, 2842, 2972, 2989, 3538, 5201, 5684, 5978, 7076, 10402, 11956, 12383, 20804, 21547, 24766, 36407, 43094, 45323, 49532, 72814, 86188, 86681, 90646, 145628, 150829, 173362, 181292, 301658, 317261, 346724, 603316, 634522, 1055803, 1269044, 1314367, 2111606, 2220827, 2628734, 4223212, 4441654, 5257468, 8883308, 9200569, 18401138, 36802276, 64403983, 128807966, 257615932]

約数ペア:

[(1, 257615932), (2, 128807966), (4, 64403983), (7, 36802276), (14, 18401138), (28, 9200569), (29, 8883308), (49, 5257468), (58, 4441654), (61, 4223212), (98, 2628734), (116, 2220827), (122, 2111606), (196, 1314367), (203, 1269044), (244, 1055803), (406, 634522), (427, 603316), (743, 346724), (812, 317261), (854, 301658), (1421, 181292), (1486, 173362), (1708, 150829), (1769, 145628), (2842, 90646), (2972, 86681), (2989, 86188), (3538, 72814), (5201, 49532), (5684, 45323), (5978, 43094), (7076, 36407), (10402, 24766), (11956, 21547), (12383, 20804)]