256287808

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30109}}^1$

素因数の和:30147

約数の個数: 56

約数和(自身を含む): 611835200

約数和(自身を除く): 355547392

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 4256, 8512, 30109, 60218, 120436, 210763, 240872, 421526, 481744, 572071, 843052, 963488, 1144142, 1686104, 1926976, 2288284, 3372208, 4004497, 4576568, 6744416, 8008994, 9153136, 13488832, 16017988, 18306272, 32035976, 36612544, 64071952, 128143904, 256287808]

約数ペア:

[(1, 256287808), (2, 128143904), (4, 64071952), (7, 36612544), (8, 32035976), (14, 18306272), (16, 16017988), (19, 13488832), (28, 9153136), (32, 8008994), (38, 6744416), (56, 4576568), (64, 4004497), (76, 3372208), (112, 2288284), (133, 1926976), (152, 1686104), (224, 1144142), (266, 963488), (304, 843052), (448, 572071), (532, 481744), (608, 421526), (1064, 240872), (1216, 210763), (2128, 120436), (4256, 60218), (8512, 30109)]