257411392

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30241}}^1$

素因数の和:30279

約数の個数: 56

約数和(自身を含む): 614517440

約数和(自身を除く): 357106048

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, 30241, 60482, 120964, 211687, 241928, 423374, 483856, 574579, 846748, 967712, 1149158, 1693496, 1935424, 2298316, 3386992, 4022053, 4596632, 6773984, 8044106, 9193264, 13547968, 16088212, 18386528, 32176424, 36773056, 64352848, 128705696, 257411392]

約数ペア:

[(1, 257411392), (2, 128705696), (4, 64352848), (7, 36773056), (8, 32176424), (14, 18386528), (16, 16088212), (19, 13547968), (28, 9193264), (32, 8044106), (38, 6773984), (56, 4596632), (64, 4022053), (76, 3386992), (112, 2298316), (133, 1935424), (152, 1693496), (224, 1149158), (266, 967712), (304, 846748), (448, 574579), (532, 483856), (608, 423374), (1064, 241928), (1216, 211687), (2128, 120964), (4256, 60482), (8512, 30241)]