256604208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16249}}^1$

素因数の和:16314

約数の個数: 80

約数和(自身を含む): 773760000

約数和(自身を除く): 517155792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1974, 2256, 2632, 3948, 5264, 7896, 15792, 16249, 32498, 48747, 64996, 97494, 113743, 129992, 194988, 227486, 259984, 341229, 389976, 454972, 682458, 763703, 779952, 909944, 1364916, 1527406, 1819888, 2291109, 2729832, 3054812, 4582218, 5345921, 5459664, 6109624, 9164436, 10691842, 12219248, 16037763, 18328872, 21383684, 32075526, 36657744, 42767368, 64151052, 85534736, 128302104, 256604208]

約数ペア:

[(1, 256604208), (2, 128302104), (3, 85534736), (4, 64151052), (6, 42767368), (7, 36657744), (8, 32075526), (12, 21383684), (14, 18328872), (16, 16037763), (21, 12219248), (24, 10691842), (28, 9164436), (42, 6109624), (47, 5459664), (48, 5345921), (56, 4582218), (84, 3054812), (94, 2729832), (112, 2291109), (141, 1819888), (168, 1527406), (188, 1364916), (282, 909944), (329, 779952), (336, 763703), (376, 682458), (564, 454972), (658, 389976), (752, 341229), (987, 259984), (1128, 227486), (1316, 194988), (1974, 129992), (2256, 113743), (2632, 97494), (3948, 64996), (5264, 48747), (7896, 32498), (15792, 16249)]