257344416

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1193}}^1$

素因数の和:1323

約数の個数: 144

約数和(自身を含む): 844893504

約数和(自身を除く): 587549088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 107, 112, 126, 144, 168, 214, 224, 252, 288, 321, 336, 428, 504, 642, 672, 749, 856, 963, 1008, 1193, 1284, 1498, 1712, 1926, 2016, 2247, 2386, 2568, 2996, 3424, 3579, 3852, 4494, 4772, 5136, 5992, 6741, 7158, 7704, 8351, 8988, 9544, 10272, 10737, 11984, 13482, 14316, 15408, 16702, 17976, 19088, 21474, 23968, 25053, 26964, 28632, 30816, 33404, 35952, 38176, 42948, 50106, 53928, 57264, 66808, 71904, 75159, 85896, 100212, 107856, 114528, 127651, 133616, 150318, 171792, 200424, 215712, 255302, 267232, 300636, 343584, 382953, 400848, 510604, 601272, 765906, 801696, 893557, 1021208, 1148859, 1202544, 1531812, 1787114, 2042416, 2297718, 2405088, 2680671, 3063624, 3574228, 4084832, 4595436, 5361342, 6127248, 7148456, 8042013, 9190872, 10722684, 12254496, 14296912, 16084026, 18381744, 21445368, 28593824, 32168052, 36763488, 42890736, 64336104, 85781472, 128672208, 257344416]

約数ペア:

[(1, 257344416), (2, 128672208), (3, 85781472), (4, 64336104), (6, 42890736), (7, 36763488), (8, 32168052), (9, 28593824), (12, 21445368), (14, 18381744), (16, 16084026), (18, 14296912), (21, 12254496), (24, 10722684), (28, 9190872), (32, 8042013), (36, 7148456), (42, 6127248), (48, 5361342), (56, 4595436), (63, 4084832), (72, 3574228), (84, 3063624), (96, 2680671), (107, 2405088), (112, 2297718), (126, 2042416), (144, 1787114), (168, 1531812), (214, 1202544), (224, 1148859), (252, 1021208), (288, 893557), (321, 801696), (336, 765906), (428, 601272), (504, 510604), (642, 400848), (672, 382953), (749, 343584), (856, 300636), (963, 267232), (1008, 255302), (1193, 215712), (1284, 200424), (1498, 171792), (1712, 150318), (1926, 133616), (2016, 127651), (2247, 114528), (2386, 107856), (2568, 100212), (2996, 85896), (3424, 75159), (3579, 71904), (3852, 66808), (4494, 57264), (4772, 53928), (5136, 50106), (5992, 42948), (6741, 38176), (7158, 35952), (7704, 33404), (8351, 30816), (8988, 28632), (9544, 26964), (10272, 25053), (10737, 23968), (11984, 21474), (13482, 19088), (14316, 17976), (15408, 16702)]