257131812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{19013}}^1$

素因数の和:19057

約数の個数: 72

約数和(自身を含む): 728312256

約数和(自身を除く): 471180444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1932, 2254, 3381, 4508, 6762, 13524, 19013, 38026, 57039, 76052, 114078, 133091, 228156, 266182, 399273, 437299, 532364, 798546, 874598, 931637, 1311897, 1597092, 1749196, 1863274, 2623794, 2794911, 3061093, 3726548, 5247588, 5589822, 6122186, 9183279, 11179644, 12244372, 18366558, 21427651, 36733116, 42855302, 64282953, 85710604, 128565906, 257131812]

約数ペア:

[(1, 257131812), (2, 128565906), (3, 85710604), (4, 64282953), (6, 42855302), (7, 36733116), (12, 21427651), (14, 18366558), (21, 12244372), (23, 11179644), (28, 9183279), (42, 6122186), (46, 5589822), (49, 5247588), (69, 3726548), (84, 3061093), (92, 2794911), (98, 2623794), (138, 1863274), (147, 1749196), (161, 1597092), (196, 1311897), (276, 931637), (294, 874598), (322, 798546), (483, 532364), (588, 437299), (644, 399273), (966, 266182), (1127, 228156), (1932, 133091), (2254, 114078), (3381, 76052), (4508, 57039), (6762, 38026), (13524, 19013)]