251539456

素因数分解:

$2^{12}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 104

約数和(自身を含む): 595518464

約数和(自身を除く): 343979008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 283, 434, 448, 496, 512, 566, 868, 896, 992, 1024, 1132, 1736, 1792, 1981, 1984, 2048, 2264, 3472, 3584, 3962, 3968, 4096, 4528, 6944, 7168, 7924, 7936, 8773, 9056, 13888, 14336, 15848, 15872, 17546, 18112, 27776, 28672, 31696, 31744, 35092, 36224, 55552, 61411, 63392, 63488, 70184, 72448, 111104, 122822, 126784, 126976, 140368, 144896, 222208, 245644, 253568, 280736, 289792, 444416, 491288, 507136, 561472, 579584, 888832, 982576, 1014272, 1122944, 1159168, 1965152, 2028544, 2245888, 3930304, 4057088, 4491776, 7860608, 8114176, 8983552, 15721216, 17967104, 31442432, 35934208, 62884864, 125769728, 251539456]

約数ペア:

[(1, 251539456), (2, 125769728), (4, 62884864), (7, 35934208), (8, 31442432), (14, 17967104), (16, 15721216), (28, 8983552), (31, 8114176), (32, 7860608), (56, 4491776), (62, 4057088), (64, 3930304), (112, 2245888), (124, 2028544), (128, 1965152), (217, 1159168), (224, 1122944), (248, 1014272), (256, 982576), (283, 888832), (434, 579584), (448, 561472), (496, 507136), (512, 491288), (566, 444416), (868, 289792), (896, 280736), (992, 253568), (1024, 245644), (1132, 222208), (1736, 144896), (1792, 140368), (1981, 126976), (1984, 126784), (2048, 122822), (2264, 111104), (3472, 72448), (3584, 70184), (3962, 63488), (3968, 63392), (4096, 61411), (4528, 55552), (6944, 36224), (7168, 35092), (7924, 31744), (7936, 31696), (8773, 28672), (9056, 27776), (13888, 18112), (14336, 17546), (15848, 15872)]